Home / 14,517,435.17-20,031,716.30-8,321,341.76

Finding the Fourth Proportional to 14,517,435.17, 20,031,716.30 and 8,321,341.76

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Solution

The fourth proportional to 14,517,435.17, 20,031,716.30 and 8,321,341.76 is: 11,482,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,435.17 : 20,031,716.30 = 8,321,341.76 : x
  2. Step 2: Convert to fraction form
    14,517,435.17/20,031,716.30 = 8,321,341.76/x
  3. Step 3: Cross multiply
    14,517,435.17x = 20,031,716.30 × 8,321,341.76
  4. Step 4: Simplify right side
    14,517,435.17x = 166,690,757,296,765.59
  5. Step 5: Solve for x
    x = 166,690,757,296,765.59/14,517,435.17
  6. Step 6: Final answer
    x = 11,482,107.92

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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.