Home / 30,782,489.55-42,469,520.90-17,729,487.15

Finding the Fourth Proportional to 30,782,489.55, 42,469,520.90 and 17,729,487.15

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Solution

The fourth proportional to 30,782,489.55, 42,469,520.90 and 17,729,487.15 is: 24,460,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,782,489.55 : 42,469,520.90 = 17,729,487.15 : x
  2. Step 2: Convert to fraction form
    30,782,489.55/42,469,520.90 = 17,729,487.15/x
  3. Step 3: Cross multiply
    30,782,489.55x = 42,469,520.90 × 17,729,487.15
  4. Step 4: Simplify right side
    30,782,489.55x = 752,962,825,063,206.38
  5. Step 5: Solve for x
    x = 752,962,825,063,206.38/30,782,489.55
  6. Step 6: Final answer
    x = 24,460,751.42

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1.5x scale

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.