Home / 8,747,902.80-13,121,854.20-5,543,510.40

Finding the Fourth Proportional to 8,747,902.80, 13,121,854.20 and 5,543,510.40

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Solution

The fourth proportional to 8,747,902.80, 13,121,854.20 and 5,543,510.40 is: 8,315,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,902.80 : 13,121,854.20 = 5,543,510.40 : x
  2. Step 2: Convert to fraction form
    8,747,902.80/13,121,854.20 = 5,543,510.40/x
  3. Step 3: Cross multiply
    8,747,902.80x = 13,121,854.20 × 5,543,510.40
  4. Step 4: Simplify right side
    8,747,902.80x = 72,741,135,224,983.69
  5. Step 5: Solve for x
    x = 72,741,135,224,983.69/8,747,902.80
  6. Step 6: Final answer
    x = 8,315,265.60

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1.5x scale

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.