Home / 20,141,542.30-30,217,866.39-8,019,518.44

Finding the Fourth Proportional to 20,141,542.30, 30,217,866.39 and 8,019,518.44

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Solution

The fourth proportional to 20,141,542.30, 30,217,866.39 and 8,019,518.44 is: 12,031,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,542.30 : 30,217,866.39 = 8,019,518.44 : x
  2. Step 2: Convert to fraction form
    20,141,542.30/30,217,866.39 = 8,019,518.44/x
  3. Step 3: Cross multiply
    20,141,542.30x = 30,217,866.39 × 8,019,518.44
  4. Step 4: Simplify right side
    20,141,542.30x = 242,332,736,732,061.25
  5. Step 5: Solve for x
    x = 242,332,736,732,061.25/20,141,542.30
  6. Step 6: Final answer
    x = 12,031,488.61

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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.