Home / 38,962,057.20-58,451,380.20-12,038,434.80

Finding the Fourth Proportional to 38,962,057.20, 58,451,380.20 and 12,038,434.80

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Solution

The fourth proportional to 38,962,057.20, 58,451,380.20 and 12,038,434.80 is: 18,060,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962,057.20 : 58,451,380.20 = 12,038,434.80 : x
  2. Step 2: Convert to fraction form
    38,962,057.20/58,451,380.20 = 12,038,434.80/x
  3. Step 3: Cross multiply
    38,962,057.20x = 58,451,380.20 × 12,038,434.80
  4. Step 4: Simplify right side
    38,962,057.20x = 703,663,129,507,711
  5. Step 5: Solve for x
    x = 703,663,129,507,711/38,962,057.20
  6. Step 6: Final answer
    x = 18,060,214.99

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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.