Home / 38,951,928.50-53,755,244.07-21,547,973.66

Finding the Fourth Proportional to 38,951,928.50, 53,755,244.07 and 21,547,973.66

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Solution

The fourth proportional to 38,951,928.50, 53,755,244.07 and 21,547,973.66 is: 29,737,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,928.50 : 53,755,244.07 = 21,547,973.66 : x
  2. Step 2: Convert to fraction form
    38,951,928.50/53,755,244.07 = 21,547,973.66/x
  3. Step 3: Cross multiply
    38,951,928.50x = 53,755,244.07 × 21,547,973.66
  4. Step 4: Simplify right side
    38,951,928.50x = 1,158,316,583,307,231.25
  5. Step 5: Solve for x
    x = 1,158,316,583,307,231.25/38,951,928.50
  6. Step 6: Final answer
    x = 29,737,079.21

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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.