Home / 39,247,049.35-54,159,972.26-21,605,808.52

Finding the Fourth Proportional to 39,247,049.35, 54,159,972.26 and 21,605,808.52

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Solution

The fourth proportional to 39,247,049.35, 54,159,972.26 and 21,605,808.52 is: 29,815,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247,049.35 : 54,159,972.26 = 21,605,808.52 : x
  2. Step 2: Convert to fraction form
    39,247,049.35/54,159,972.26 = 21,605,808.52/x
  3. Step 3: Cross multiply
    39,247,049.35x = 54,159,972.26 × 21,605,808.52
  4. Step 4: Simplify right side
    39,247,049.35x = 1,170,169,989,854,642.75
  5. Step 5: Solve for x
    x = 1,170,169,989,854,642.75/39,247,049.35
  6. Step 6: Final answer
    x = 29,815,489.55

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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.