Home / 13,720,847.28-20,577,057.30-9,488,214.96

Finding the Fourth Proportional to 13,720,847.28, 20,577,057.30 and 9,488,214.96

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Solution

The fourth proportional to 13,720,847.28, 20,577,057.30 and 9,488,214.96 is: 14,229,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,847.28 : 20,577,057.30 = 9,488,214.96 : x
  2. Step 2: Convert to fraction form
    13,720,847.28/20,577,057.30 = 9,488,214.96/x
  3. Step 3: Cross multiply
    13,720,847.28x = 20,577,057.30 × 9,488,214.96
  4. Step 4: Simplify right side
    13,720,847.28x = 195,239,542,906,637.22
  5. Step 5: Solve for x
    x = 195,239,542,906,637.22/13,720,847.28
  6. Step 6: Final answer
    x = 14,229,408.65

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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.