Home / 20,186,560.60-30,279,840.90-18,751,669.90

Finding the Fourth Proportional to 20,186,560.60, 30,279,840.90 and 18,751,669.90

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Solution

The fourth proportional to 20,186,560.60, 30,279,840.90 and 18,751,669.90 is: 28,127,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,560.60 : 30,279,840.90 = 18,751,669.90 : x
  2. Step 2: Convert to fraction form
    20,186,560.60/30,279,840.90 = 18,751,669.90/x
  3. Step 3: Cross multiply
    20,186,560.60x = 30,279,840.90 × 18,751,669.90
  4. Step 4: Simplify right side
    20,186,560.60x = 567,797,581,181,318.88
  5. Step 5: Solve for x
    x = 567,797,581,181,318.88/20,186,560.60
  6. Step 6: Final answer
    x = 28,127,504.85

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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.