Home / 22,981,956.20-34,472,934.30-18,872,145.80

Finding the Fourth Proportional to 22,981,956.20, 34,472,934.30 and 18,872,145.80

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Solution

The fourth proportional to 22,981,956.20, 34,472,934.30 and 18,872,145.80 is: 28,308,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981,956.20 : 34,472,934.30 = 18,872,145.80 : x
  2. Step 2: Convert to fraction form
    22,981,956.20/34,472,934.30 = 18,872,145.80/x
  3. Step 3: Cross multiply
    22,981,956.20x = 34,472,934.30 × 18,872,145.80
  4. Step 4: Simplify right side
    22,981,956.20x = 650,578,242,263,420.88
  5. Step 5: Solve for x
    x = 650,578,242,263,420.88/22,981,956.20
  6. Step 6: Final answer
    x = 28,308,218.70

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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.