Home / 11,157,545.61-16,729,815.42-4,326,138

Finding the Fourth Proportional to 11,157,545.61, 16,729,815.42 and 4,326,138

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Solution

The fourth proportional to 11,157,545.61, 16,729,815.42 and 4,326,138 is: 6,486,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,545.61 : 16,729,815.42 = 4,326,138 : x
  2. Step 2: Convert to fraction form
    11,157,545.61/16,729,815.42 = 4,326,138/x
  3. Step 3: Cross multiply
    11,157,545.61x = 16,729,815.42 × 4,326,138
  4. Step 4: Simplify right side
    11,157,545.61x = 72,375,490,221,447.95
  5. Step 5: Solve for x
    x = 72,375,490,221,447.95/11,157,545.61
  6. Step 6: Final answer
    x = 6,486,685.58

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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.