Home / 18,194,140.80-27,291,211.20-15,454,267.20

Finding the Fourth Proportional to 18,194,140.80, 27,291,211.20 and 15,454,267.20

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Solution

The fourth proportional to 18,194,140.80, 27,291,211.20 and 15,454,267.20 is: 23,181,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,140.80 : 27,291,211.20 = 15,454,267.20 : x
  2. Step 2: Convert to fraction form
    18,194,140.80/27,291,211.20 = 15,454,267.20/x
  3. Step 3: Cross multiply
    18,194,140.80x = 27,291,211.20 × 15,454,267.20
  4. Step 4: Simplify right side
    18,194,140.80x = 421,765,670,096,432.62
  5. Step 5: Solve for x
    x = 421,765,670,096,432.62/18,194,140.80
  6. Step 6: Final answer
    x = 23,181,400.80

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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.