Home / 16,642,691.60-24,964,037.40-13,619,382.80

Finding the Fourth Proportional to 16,642,691.60, 24,964,037.40 and 13,619,382.80

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Solution

The fourth proportional to 16,642,691.60, 24,964,037.40 and 13,619,382.80 is: 20,429,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,691.60 : 24,964,037.40 = 13,619,382.80 : x
  2. Step 2: Convert to fraction form
    16,642,691.60/24,964,037.40 = 13,619,382.80/x
  3. Step 3: Cross multiply
    16,642,691.60x = 24,964,037.40 × 13,619,382.80
  4. Step 4: Simplify right side
    16,642,691.60x = 339,994,781,584,116.69
  5. Step 5: Solve for x
    x = 339,994,781,584,116.69/16,642,691.60
  6. Step 6: Final answer
    x = 20,429,074.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.