Home / 13,453,545.80-20,180,318.70-9,414,594.20

Finding the Fourth Proportional to 13,453,545.80, 20,180,318.70 and 9,414,594.20

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Solution

The fourth proportional to 13,453,545.80, 20,180,318.70 and 9,414,594.20 is: 14,121,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,545.80 : 20,180,318.70 = 9,414,594.20 : x
  2. Step 2: Convert to fraction form
    13,453,545.80/20,180,318.70 = 9,414,594.20/x
  3. Step 3: Cross multiply
    13,453,545.80x = 20,180,318.70 × 9,414,594.20
  4. Step 4: Simplify right side
    13,453,545.80x = 189,989,511,387,171.53
  5. Step 5: Solve for x
    x = 189,989,511,387,171.53/13,453,545.80
  6. Step 6: Final answer
    x = 14,121,891.30

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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.