Home / 20,894,074.20-28,833,822.24-11,726,716.92

Finding the Fourth Proportional to 20,894,074.20, 28,833,822.24 and 11,726,716.92

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Solution

The fourth proportional to 20,894,074.20, 28,833,822.24 and 11,726,716.92 is: 16,182,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,074.20 : 28,833,822.24 = 11,726,716.92 : x
  2. Step 2: Convert to fraction form
    20,894,074.20/28,833,822.24 = 11,726,716.92/x
  3. Step 3: Cross multiply
    20,894,074.20x = 28,833,822.24 × 11,726,716.92
  4. Step 4: Simplify right side
    20,894,074.20x = 338,126,071,130,080.25
  5. Step 5: Solve for x
    x = 338,126,071,130,080.25/20,894,074.20
  6. Step 6: Final answer
    x = 16,182,869.26

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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.