Home / 30,392,364.30-45,588,546.45-9,117,228.30

Finding the Fourth Proportional to 30,392,364.30, 45,588,546.45 and 9,117,228.30

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Solution

The fourth proportional to 30,392,364.30, 45,588,546.45 and 9,117,228.30 is: 13,675,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392,364.30 : 45,588,546.45 = 9,117,228.30 : x
  2. Step 2: Convert to fraction form
    30,392,364.30/45,588,546.45 = 9,117,228.30/x
  3. Step 3: Cross multiply
    30,392,364.30x = 45,588,546.45 × 9,117,228.30
  4. Step 4: Simplify right side
    30,392,364.30x = 415,641,185,849,804.62
  5. Step 5: Solve for x
    x = 415,641,185,849,804.62/30,392,364.30
  6. Step 6: Final answer
    x = 13,675,842.45

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Double scale
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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.