Home / 12,448,217.60-18,672,326.40-8,382,693.95

Finding the Fourth Proportional to 12,448,217.60, 18,672,326.40 and 8,382,693.95

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Solution

The fourth proportional to 12,448,217.60, 18,672,326.40 and 8,382,693.95 is: 12,574,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,217.60 : 18,672,326.40 = 8,382,693.95 : x
  2. Step 2: Convert to fraction form
    12,448,217.60/18,672,326.40 = 8,382,693.95/x
  3. Step 3: Cross multiply
    12,448,217.60x = 18,672,326.40 × 8,382,693.95
  4. Step 4: Simplify right side
    12,448,217.60x = 156,524,397,545,705.28
  5. Step 5: Solve for x
    x = 156,524,397,545,705.28/12,448,217.60
  6. Step 6: Final answer
    x = 12,574,040.93

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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.