Home / 13,359,614.40-20,023,675.20-9,989,884.80

Finding the Fourth Proportional to 13,359,614.40, 20,023,675.20 and 9,989,884.80

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Solution

The fourth proportional to 13,359,614.40, 20,023,675.20 and 9,989,884.80 is: 14,973,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,614.40 : 20,023,675.20 = 9,989,884.80 : x
  2. Step 2: Convert to fraction form
    13,359,614.40/20,023,675.20 = 9,989,884.80/x
  3. Step 3: Cross multiply
    13,359,614.40x = 20,023,675.20 × 9,989,884.80
  4. Step 4: Simplify right side
    13,359,614.40x = 200,034,208,520,616.97
  5. Step 5: Solve for x
    x = 200,034,208,520,616.97/13,359,614.40
  6. Step 6: Final answer
    x = 14,973,052.55

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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.