Home / 18,756,428.80-28,134,337.92-5,976,760.96

Finding the Fourth Proportional to 18,756,428.80, 28,134,337.92 and 5,976,760.96

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Solution

The fourth proportional to 18,756,428.80, 28,134,337.92 and 5,976,760.96 is: 8,965,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,428.80 : 28,134,337.92 = 5,976,760.96 : x
  2. Step 2: Convert to fraction form
    18,756,428.80/28,134,337.92 = 5,976,760.96/x
  3. Step 3: Cross multiply
    18,756,428.80x = 28,134,337.92 × 5,976,760.96
  4. Step 4: Simplify right side
    18,756,428.80x = 168,152,212,515,703.62
  5. Step 5: Solve for x
    x = 168,152,212,515,703.62/18,756,428.80
  6. Step 6: Final answer
    x = 8,965,044.16

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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.