Home / 10,753,158.40-16,129,737.60-8,065,772.80

Finding the Fourth Proportional to 10,753,158.40, 16,129,737.60 and 8,065,772.80

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Solution

The fourth proportional to 10,753,158.40, 16,129,737.60 and 8,065,772.80 is: 12,098,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,158.40 : 16,129,737.60 = 8,065,772.80 : x
  2. Step 2: Convert to fraction form
    10,753,158.40/16,129,737.60 = 8,065,772.80/x
  3. Step 3: Cross multiply
    10,753,158.40x = 16,129,737.60 × 8,065,772.80
  4. Step 4: Simplify right side
    10,753,158.40x = 130,098,798,805,217.28
  5. Step 5: Solve for x
    x = 130,098,798,805,217.28/10,753,158.40
  6. Step 6: Final answer
    x = 12,098,659.20

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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.