Home / 18,218,119.76-25,140,567.44-9,957,811.04

Finding the Fourth Proportional to 18,218,119.76, 25,140,567.44 and 9,957,811.04

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Solution

The fourth proportional to 18,218,119.76, 25,140,567.44 and 9,957,811.04 is: 13,741,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,119.76 : 25,140,567.44 = 9,957,811.04 : x
  2. Step 2: Convert to fraction form
    18,218,119.76/25,140,567.44 = 9,957,811.04/x
  3. Step 3: Cross multiply
    18,218,119.76x = 25,140,567.44 × 9,957,811.04
  4. Step 4: Simplify right side
    18,218,119.76x = 250,345,020,005,896.53
  5. Step 5: Solve for x
    x = 250,345,020,005,896.53/18,218,119.76
  6. Step 6: Final answer
    x = 13,741,539.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.