Home / 12,398,538.92-18,597,782.46-3,423,065

Finding the Fourth Proportional to 12,398,538.92, 18,597,782.46 and 3,423,065

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Solution

The fourth proportional to 12,398,538.92, 18,597,782.46 and 3,423,065 is: 5,134,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,538.92 : 18,597,782.46 = 3,423,065 : x
  2. Step 2: Convert to fraction form
    12,398,538.92/18,597,782.46 = 3,423,065/x
  3. Step 3: Cross multiply
    12,398,538.92x = 18,597,782.46 × 3,423,065
  4. Step 4: Simplify right side
    12,398,538.92x = 63,661,418,216,439.91
  5. Step 5: Solve for x
    x = 63,661,418,216,439.91/12,398,538.92
  6. Step 6: Final answer
    x = 5,134,590.34

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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.