Home / 12,127,503.70-18,193,879.95-3,608,701.30

Finding the Fourth Proportional to 12,127,503.70, 18,193,879.95 and 3,608,701.30

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Solution

The fourth proportional to 12,127,503.70, 18,193,879.95 and 3,608,701.30 is: 5,413,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,503.70 : 18,193,879.95 = 3,608,701.30 : x
  2. Step 2: Convert to fraction form
    12,127,503.70/18,193,879.95 = 3,608,701.30/x
  3. Step 3: Cross multiply
    12,127,503.70x = 18,193,879.95 × 3,608,701.30
  4. Step 4: Simplify right side
    12,127,503.70x = 65,656,278,227,608.93
  5. Step 5: Solve for x
    x = 65,656,278,227,608.93/12,127,503.70
  6. Step 6: Final answer
    x = 5,413,832.88

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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.