Home / 30,392,337.55-45,588,506.33-9,117,201.55

Finding the Fourth Proportional to 30,392,337.55, 45,588,506.33 and 9,117,201.55

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Solution

The fourth proportional to 30,392,337.55, 45,588,506.33 and 9,117,201.55 is: 13,675,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392,337.55 : 45,588,506.33 = 9,117,201.55 : x
  2. Step 2: Convert to fraction form
    30,392,337.55/45,588,506.33 = 9,117,201.55/x
  3. Step 3: Cross multiply
    30,392,337.55x = 45,588,506.33 × 9,117,201.55
  4. Step 4: Simplify right side
    30,392,337.55x = 415,639,600,574,060.81
  5. Step 5: Solve for x
    x = 415,639,600,574,060.81/30,392,337.55
  6. Step 6: Final answer
    x = 13,675,802.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.