Home / 20,903,488.52-31,355,221.24-6,527,788.32

Finding the Fourth Proportional to 20,903,488.52, 31,355,221.24 and 6,527,788.32

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Solution

The fourth proportional to 20,903,488.52, 31,355,221.24 and 6,527,788.32 is: 9,791,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,488.52 : 31,355,221.24 = 6,527,788.32 : x
  2. Step 2: Convert to fraction form
    20,903,488.52/31,355,221.24 = 6,527,788.32/x
  3. Step 3: Cross multiply
    20,903,488.52x = 31,355,221.24 × 6,527,788.32
  4. Step 4: Simplify right side
    20,903,488.52x = 204,680,246,981,487.91
  5. Step 5: Solve for x
    x = 204,680,246,981,487.91/20,903,488.52
  6. Step 6: Final answer
    x = 9,791,678.88

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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.