Home / 12,127,520.70-18,193,905.45-3,608,718.30

Finding the Fourth Proportional to 12,127,520.70, 18,193,905.45 and 3,608,718.30

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Solution

The fourth proportional to 12,127,520.70, 18,193,905.45 and 3,608,718.30 is: 5,413,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,520.70 : 18,193,905.45 = 3,608,718.30 : x
  2. Step 2: Convert to fraction form
    12,127,520.70/18,193,905.45 = 3,608,718.30/x
  3. Step 3: Cross multiply
    12,127,520.70x = 18,193,905.45 × 3,608,718.30
  4. Step 4: Simplify right side
    12,127,520.70x = 65,656,679,545,884.73
  5. Step 5: Solve for x
    x = 65,656,679,545,884.73/12,127,520.70
  6. Step 6: Final answer
    x = 5,413,858.38

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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.