Home / 18,490,518.75-27,739,560.96-6,358,406.60

Finding the Fourth Proportional to 18,490,518.75, 27,739,560.96 and 6,358,406.60

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Solution

The fourth proportional to 18,490,518.75, 27,739,560.96 and 6,358,406.60 is: 9,538,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,518.75 : 27,739,560.96 = 6,358,406.60 : x
  2. Step 2: Convert to fraction form
    18,490,518.75/27,739,560.96 = 6,358,406.60/x
  3. Step 3: Cross multiply
    18,490,518.75x = 27,739,560.96 × 6,358,406.60
  4. Step 4: Simplify right side
    18,490,518.75x = 176,379,407,350,468.53
  5. Step 5: Solve for x
    x = 176,379,407,350,468.53/18,490,518.75
  6. Step 6: Final answer
    x = 9,538,910.71

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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.