Home / 28,056,943.20-42,085,414.80-26,498,049.60

Finding the Fourth Proportional to 28,056,943.20, 42,085,414.80 and 26,498,049.60

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Solution

The fourth proportional to 28,056,943.20, 42,085,414.80 and 26,498,049.60 is: 39,747,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,943.20 : 42,085,414.80 = 26,498,049.60 : x
  2. Step 2: Convert to fraction form
    28,056,943.20/42,085,414.80 = 26,498,049.60/x
  3. Step 3: Cross multiply
    28,056,943.20x = 42,085,414.80 × 26,498,049.60
  4. Step 4: Simplify right side
    28,056,943.20x = 1,115,181,408,806,974.12
  5. Step 5: Solve for x
    x = 1,115,181,408,806,974.12/28,056,943.20
  6. Step 6: Final answer
    x = 39,747,074.40

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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.