Home / 38,951,931.75-53,755,248.56-21,547,976.91

Finding the Fourth Proportional to 38,951,931.75, 53,755,248.56 and 21,547,976.91

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Solution

The fourth proportional to 38,951,931.75, 53,755,248.56 and 21,547,976.91 is: 29,737,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,931.75 : 53,755,248.56 = 21,547,976.91 : x
  2. Step 2: Convert to fraction form
    38,951,931.75/53,755,248.56 = 21,547,976.91/x
  3. Step 3: Cross multiply
    38,951,931.75x = 53,755,248.56 × 21,547,976.91
  4. Step 4: Simplify right side
    38,951,931.75x = 1,158,316,854,654,450.75
  5. Step 5: Solve for x
    x = 1,158,316,854,654,450.75/38,951,931.75
  6. Step 6: Final answer
    x = 29,737,083.70

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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.