Home / 42,265,908.12-63,354,613.39-17,687,916.61

Finding the Fourth Proportional to 42,265,908.12, 63,354,613.39 and 17,687,916.61

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Solution

The fourth proportional to 42,265,908.12, 63,354,613.39 and 17,687,916.61 is: 26,513,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,265,908.12 : 63,354,613.39 = 17,687,916.61 : x
  2. Step 2: Convert to fraction form
    42,265,908.12/63,354,613.39 = 17,687,916.61/x
  3. Step 3: Cross multiply
    42,265,908.12x = 63,354,613.39 × 17,687,916.61
  4. Step 4: Simplify right side
    42,265,908.12x = 1,120,611,118,274,178.62
  5. Step 5: Solve for x
    x = 1,120,611,118,274,178.62/42,265,908.12
  6. Step 6: Final answer
    x = 26,513,357.18

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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.