Home / 20,940,201.12-31,411,001.60-5,792,864.16

Finding the Fourth Proportional to 20,940,201.12, 31,411,001.60 and 5,792,864.16

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Solution

The fourth proportional to 20,940,201.12, 31,411,001.60 and 5,792,864.16 is: 8,689,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,201.12 : 31,411,001.60 = 5,792,864.16 : x
  2. Step 2: Convert to fraction form
    20,940,201.12/31,411,001.60 = 5,792,864.16/x
  3. Step 3: Cross multiply
    20,940,201.12x = 31,411,001.60 × 5,792,864.16
  4. Step 4: Simplify right side
    20,940,201.12x = 181,959,665,398,342.66
  5. Step 5: Solve for x
    x = 181,959,665,398,342.66/20,940,201.12
  6. Step 6: Final answer
    x = 8,689,489.86

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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.