Home / 13,771,366.20-20,657,049.30-12,259,711.80

Finding the Fourth Proportional to 13,771,366.20, 20,657,049.30 and 12,259,711.80

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Solution

The fourth proportional to 13,771,366.20, 20,657,049.30 and 12,259,711.80 is: 18,389,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,366.20 : 20,657,049.30 = 12,259,711.80 : x
  2. Step 2: Convert to fraction form
    13,771,366.20/20,657,049.30 = 12,259,711.80/x
  3. Step 3: Cross multiply
    13,771,366.20x = 20,657,049.30 × 12,259,711.80
  4. Step 4: Simplify right side
    13,771,366.20x = 253,249,471,056,391.75
  5. Step 5: Solve for x
    x = 253,249,471,056,391.75/13,771,366.20
  6. Step 6: Final answer
    x = 18,389,567.70

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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.