Home / 30,260,792.39-45,386,315.22-8,690,487.53

Finding the Fourth Proportional to 30,260,792.39, 45,386,315.22 and 8,690,487.53

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Solution

The fourth proportional to 30,260,792.39, 45,386,315.22 and 8,690,487.53 is: 13,034,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260,792.39 : 45,386,315.22 = 8,690,487.53 : x
  2. Step 2: Convert to fraction form
    30,260,792.39/45,386,315.22 = 8,690,487.53/x
  3. Step 3: Cross multiply
    30,260,792.39x = 45,386,315.22 × 8,690,487.53
  4. Step 4: Simplify right side
    30,260,792.39x = 394,429,206,452,059.19
  5. Step 5: Solve for x
    x = 394,429,206,452,059.19/30,260,792.39
  6. Step 6: Final answer
    x = 13,034,331.73

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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.