Home / 27,640,810.25-38,144,522.68-15,251,363.55

Finding the Fourth Proportional to 27,640,810.25, 38,144,522.68 and 15,251,363.55

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Solution

The fourth proportional to 27,640,810.25, 38,144,522.68 and 15,251,363.55 is: 21,046,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640,810.25 : 38,144,522.68 = 15,251,363.55 : x
  2. Step 2: Convert to fraction form
    27,640,810.25/38,144,522.68 = 15,251,363.55/x
  3. Step 3: Cross multiply
    27,640,810.25x = 38,144,522.68 × 15,251,363.55
  4. Step 4: Simplify right side
    27,640,810.25x = 581,755,982,935,192
  5. Step 5: Solve for x
    x = 581,755,982,935,192/27,640,810.25
  6. Step 6: Final answer
    x = 21,046,994.56

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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.