Home / 30,100,607.40-45,150,911.10-7,381,504.65

Finding the Fourth Proportional to 30,100,607.40, 45,150,911.10 and 7,381,504.65

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Solution

The fourth proportional to 30,100,607.40, 45,150,911.10 and 7,381,504.65 is: 11,072,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100,607.40 : 45,150,911.10 = 7,381,504.65 : x
  2. Step 2: Convert to fraction form
    30,100,607.40/45,150,911.10 = 7,381,504.65/x
  3. Step 3: Cross multiply
    30,100,607.40x = 45,150,911.10 × 7,381,504.65
  4. Step 4: Simplify right side
    30,100,607.40x = 333,281,660,236,386.62
  5. Step 5: Solve for x
    x = 333,281,660,236,386.62/30,100,607.40
  6. Step 6: Final answer
    x = 11,072,256.98

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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.