Home / 13,479,016.80-20,236,461.68-7,093,753.20

Finding the Fourth Proportional to 13,479,016.80, 20,236,461.68 and 7,093,753.20

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Solution

The fourth proportional to 13,479,016.80, 20,236,461.68 and 7,093,753.20 is: 10,650,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,016.80 : 20,236,461.68 = 7,093,753.20 : x
  2. Step 2: Convert to fraction form
    13,479,016.80/20,236,461.68 = 7,093,753.20/x
  3. Step 3: Cross multiply
    13,479,016.80x = 20,236,461.68 × 7,093,753.20
  4. Step 4: Simplify right side
    13,479,016.80x = 143,552,464,799,177.38
  5. Step 5: Solve for x
    x = 143,552,464,799,177.38/13,479,016.80
  6. Step 6: Final answer
    x = 10,650,069.43

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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.