Home / 18,829,340.70-28,246,635.45-8,046,555.90

Finding the Fourth Proportional to 18,829,340.70, 28,246,635.45 and 8,046,555.90

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Solution

The fourth proportional to 18,829,340.70, 28,246,635.45 and 8,046,555.90 is: 12,070,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,340.70 : 28,246,635.45 = 8,046,555.90 : x
  2. Step 2: Convert to fraction form
    18,829,340.70/28,246,635.45 = 8,046,555.90/x
  3. Step 3: Cross multiply
    18,829,340.70x = 28,246,635.45 × 8,046,555.90
  4. Step 4: Simplify right side
    18,829,340.70x = 227,288,131,135,346.66
  5. Step 5: Solve for x
    x = 227,288,131,135,346.66/18,829,340.70
  6. Step 6: Final answer
    x = 12,070,955.36

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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.