Home / 27,068,920.80-40,603,381.20-20,691,628.80

Finding the Fourth Proportional to 27,068,920.80, 40,603,381.20 and 20,691,628.80

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Solution

The fourth proportional to 27,068,920.80, 40,603,381.20 and 20,691,628.80 is: 31,037,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068,920.80 : 40,603,381.20 = 20,691,628.80 : x
  2. Step 2: Convert to fraction form
    27,068,920.80/40,603,381.20 = 20,691,628.80/x
  3. Step 3: Cross multiply
    27,068,920.80x = 40,603,381.20 × 20,691,628.80
  4. Step 4: Simplify right side
    27,068,920.80x = 840,150,091,815,298.62
  5. Step 5: Solve for x
    x = 840,150,091,815,298.62/27,068,920.80
  6. Step 6: Final answer
    x = 31,037,443.20

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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.