Home / 38,951,929-53,755,244.76-21,547,974.16

Finding the Fourth Proportional to 38,951,929, 53,755,244.76 and 21,547,974.16

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Solution

The fourth proportional to 38,951,929, 53,755,244.76 and 21,547,974.16 is: 29,737,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,929 : 53,755,244.76 = 21,547,974.16 : x
  2. Step 2: Convert to fraction form
    38,951,929/53,755,244.76 = 21,547,974.16/x
  3. Step 3: Cross multiply
    38,951,929x = 53,755,244.76 × 21,547,974.16
  4. Step 4: Simplify right side
    38,951,929x = 1,158,316,625,052,955.25
  5. Step 5: Solve for x
    x = 1,158,316,625,052,955.25/38,951,929
  6. Step 6: Final answer
    x = 29,737,079.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.