Home / 12,036,553.92-18,057,513.60-5,643,398.88

Finding the Fourth Proportional to 12,036,553.92, 18,057,513.60 and 5,643,398.88

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Solution

The fourth proportional to 12,036,553.92, 18,057,513.60 and 5,643,398.88 is: 8,466,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036,553.92 : 18,057,513.60 = 5,643,398.88 : x
  2. Step 2: Convert to fraction form
    12,036,553.92/18,057,513.60 = 5,643,398.88/x
  3. Step 3: Cross multiply
    12,036,553.92x = 18,057,513.60 × 5,643,398.88
  4. Step 4: Simplify right side
    12,036,553.92x = 101,905,752,025,824.78
  5. Step 5: Solve for x
    x = 101,905,752,025,824.78/12,036,553.92
  6. Step 6: Final answer
    x = 8,466,356.13

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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.