Home / 18,120,944.01-25,006,906.38-9,972,182.01

Finding the Fourth Proportional to 18,120,944.01, 25,006,906.38 and 9,972,182.01

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Solution

The fourth proportional to 18,120,944.01, 25,006,906.38 and 9,972,182.01 is: 13,761,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,944.01 : 25,006,906.38 = 9,972,182.01 : x
  2. Step 2: Convert to fraction form
    18,120,944.01/25,006,906.38 = 9,972,182.01/x
  3. Step 3: Cross multiply
    18,120,944.01x = 25,006,906.38 × 9,972,182.01
  4. Step 4: Simplify right side
    18,120,944.01x = 249,373,421,928,390.22
  5. Step 5: Solve for x
    x = 249,373,421,928,390.22/18,120,944.01
  6. Step 6: Final answer
    x = 13,761,613.18

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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.