Home / 18,765,155.22-25,882,561.56-17,221,403.16

Finding the Fourth Proportional to 18,765,155.22, 25,882,561.56 and 17,221,403.16

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Solution

The fourth proportional to 18,765,155.22, 25,882,561.56 and 17,221,403.16 is: 23,753,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765,155.22 : 25,882,561.56 = 17,221,403.16 : x
  2. Step 2: Convert to fraction form
    18,765,155.22/25,882,561.56 = 17,221,403.16/x
  3. Step 3: Cross multiply
    18,765,155.22x = 25,882,561.56 × 17,221,403.16
  4. Step 4: Simplify right side
    18,765,155.22x = 445,734,027,438,278.50
  5. Step 5: Solve for x
    x = 445,734,027,438,278.50/18,765,155.22
  6. Step 6: Final answer
    x = 23,753,282.20

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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.