Home / 13,979,347.38-20,970,232.92-4,266,147.30

Finding the Fourth Proportional to 13,979,347.38, 20,970,232.92 and 4,266,147.30

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Solution

The fourth proportional to 13,979,347.38, 20,970,232.92 and 4,266,147.30 is: 6,399,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,347.38 : 20,970,232.92 = 4,266,147.30 : x
  2. Step 2: Convert to fraction form
    13,979,347.38/20,970,232.92 = 4,266,147.30/x
  3. Step 3: Cross multiply
    13,979,347.38x = 20,970,232.92 × 4,266,147.30
  4. Step 4: Simplify right side
    13,979,347.38x = 89,462,102,552,029.12
  5. Step 5: Solve for x
    x = 89,462,102,552,029.12/13,979,347.38
  6. Step 6: Final answer
    x = 6,399,590.78

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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.