Home / 38,951,936-53,755,254.42-21,547,981.16

Finding the Fourth Proportional to 38,951,936, 53,755,254.42 and 21,547,981.16

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Solution

The fourth proportional to 38,951,936, 53,755,254.42 and 21,547,981.16 is: 29,737,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,936 : 53,755,254.42 = 21,547,981.16 : x
  2. Step 2: Convert to fraction form
    38,951,936/53,755,254.42 = 21,547,981.16/x
  3. Step 3: Cross multiply
    38,951,936x = 53,755,254.42 × 21,547,981.16
  4. Step 4: Simplify right side
    38,951,936x = 1,158,317,209,493,166.75
  5. Step 5: Solve for x
    x = 1,158,317,209,493,166.75/38,951,936
  6. Step 6: Final answer
    x = 29,737,089.56

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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.