Home / 13,815,785.20-20,723,677.80-8,776,937.20

Finding the Fourth Proportional to 13,815,785.20, 20,723,677.80 and 8,776,937.20

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Solution

The fourth proportional to 13,815,785.20, 20,723,677.80 and 8,776,937.20 is: 13,165,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,785.20 : 20,723,677.80 = 8,776,937.20 : x
  2. Step 2: Convert to fraction form
    13,815,785.20/20,723,677.80 = 8,776,937.20/x
  3. Step 3: Cross multiply
    13,815,785.20x = 20,723,677.80 × 8,776,937.20
  4. Step 4: Simplify right side
    13,815,785.20x = 181,890,418,603,634.16
  5. Step 5: Solve for x
    x = 181,890,418,603,634.16/13,815,785.20
  6. Step 6: Final answer
    x = 13,165,405.80

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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.