Home / 27,068,908.80-40,603,363.20-20,691,616.80

Finding the Fourth Proportional to 27,068,908.80, 40,603,363.20 and 20,691,616.80

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Solution

The fourth proportional to 27,068,908.80, 40,603,363.20 and 20,691,616.80 is: 31,037,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068,908.80 : 40,603,363.20 = 20,691,616.80 : x
  2. Step 2: Convert to fraction form
    27,068,908.80/40,603,363.20 = 20,691,616.80/x
  3. Step 3: Cross multiply
    27,068,908.80x = 40,603,363.20 × 20,691,616.80
  4. Step 4: Simplify right side
    27,068,908.80x = 840,149,232,125,621.88
  5. Step 5: Solve for x
    x = 840,149,232,125,621.88/27,068,908.80
  6. Step 6: Final answer
    x = 31,037,425.20

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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.