Home / 15,471,698.50-21,351,520.14-9,277,753.65

Finding the Fourth Proportional to 15,471,698.50, 21,351,520.14 and 9,277,753.65

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Solution

The fourth proportional to 15,471,698.50, 21,351,520.14 and 9,277,753.65 is: 12,803,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,698.50 : 21,351,520.14 = 9,277,753.65 : x
  2. Step 2: Convert to fraction form
    15,471,698.50/21,351,520.14 = 9,277,753.65/x
  3. Step 3: Cross multiply
    15,471,698.50x = 21,351,520.14 × 9,277,753.65
  4. Step 4: Simplify right side
    15,471,698.50x = 198,094,143,805,175.91
  5. Step 5: Solve for x
    x = 198,094,143,805,175.91/15,471,698.50
  6. Step 6: Final answer
    x = 12,803,645.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.