Home / 9,226,781.80-13,840,172.70-5,384,660.20

Finding the Fourth Proportional to 9,226,781.80, 13,840,172.70 and 5,384,660.20

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Solution

The fourth proportional to 9,226,781.80, 13,840,172.70 and 5,384,660.20 is: 8,076,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226,781.80 : 13,840,172.70 = 5,384,660.20 : x
  2. Step 2: Convert to fraction form
    9,226,781.80/13,840,172.70 = 5,384,660.20/x
  3. Step 3: Cross multiply
    9,226,781.80x = 13,840,172.70 × 5,384,660.20
  4. Step 4: Simplify right side
    9,226,781.80x = 74,524,627,098,816.53
  5. Step 5: Solve for x
    x = 74,524,627,098,816.53/9,226,781.80
  6. Step 6: Final answer
    x = 8,076,990.30

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Similar ratio
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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.