Home / 18,755,097.30-28,131,401.78-8,517,526.74

Finding the Fourth Proportional to 18,755,097.30, 28,131,401.78 and 8,517,526.74

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Solution

The fourth proportional to 18,755,097.30, 28,131,401.78 and 8,517,526.74 is: 12,775,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,097.30 : 28,131,401.78 = 8,517,526.74 : x
  2. Step 2: Convert to fraction form
    18,755,097.30/28,131,401.78 = 8,517,526.74/x
  3. Step 3: Cross multiply
    18,755,097.30x = 28,131,401.78 × 8,517,526.74
  4. Step 4: Simplify right side
    18,755,097.30x = 239,609,966,894,833.62
  5. Step 5: Solve for x
    x = 239,609,966,894,833.62/18,755,097.30
  6. Step 6: Final answer
    x = 12,775,725.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.