Home / 18,887,432.20-28,331,148.30-14,777,621.80

Finding the Fourth Proportional to 18,887,432.20, 28,331,148.30 and 14,777,621.80

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Solution

The fourth proportional to 18,887,432.20, 28,331,148.30 and 14,777,621.80 is: 22,166,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,432.20 : 28,331,148.30 = 14,777,621.80 : x
  2. Step 2: Convert to fraction form
    18,887,432.20/28,331,148.30 = 14,777,621.80/x
  3. Step 3: Cross multiply
    18,887,432.20x = 28,331,148.30 × 14,777,621.80
  4. Step 4: Simplify right side
    18,887,432.20x = 418,666,994,737,113
  5. Step 5: Solve for x
    x = 418,666,994,737,113/18,887,432.20
  6. Step 6: Final answer
    x = 22,166,432.70

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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.