Home / 18,120,941.01-25,006,902.24-9,972,179.01

Finding the Fourth Proportional to 18,120,941.01, 25,006,902.24 and 9,972,179.01

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Solution

The fourth proportional to 18,120,941.01, 25,006,902.24 and 9,972,179.01 is: 13,761,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,941.01 : 25,006,902.24 = 9,972,179.01 : x
  2. Step 2: Convert to fraction form
    18,120,941.01/25,006,902.24 = 9,972,179.01/x
  3. Step 3: Cross multiply
    18,120,941.01x = 25,006,902.24 × 9,972,179.01
  4. Step 4: Simplify right side
    18,120,941.01x = 249,373,305,622,849.97
  5. Step 5: Solve for x
    x = 249,373,305,622,849.97/18,120,941.01
  6. Step 6: Final answer
    x = 13,761,609.04

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1.5x scale

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.