Home / 18,982,662.48-28,484,359.50-8,051,151.78

Finding the Fourth Proportional to 18,982,662.48, 28,484,359.50 and 8,051,151.78

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Solution

The fourth proportional to 18,982,662.48, 28,484,359.50 and 8,051,151.78 is: 12,081,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,662.48 : 28,484,359.50 = 8,051,151.78 : x
  2. Step 2: Convert to fraction form
    18,982,662.48/28,484,359.50 = 8,051,151.78/x
  3. Step 3: Cross multiply
    18,982,662.48x = 28,484,359.50 × 8,051,151.78
  4. Step 4: Simplify right side
    18,982,662.48x = 229,331,901,690,584.91
  5. Step 5: Solve for x
    x = 229,331,901,690,584.91/18,982,662.48
  6. Step 6: Final answer
    x = 12,081,124.13

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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.