Home / 28,482,151.84-42,720,091.92-8,012,521.92

Finding the Fourth Proportional to 28,482,151.84, 42,720,091.92 and 8,012,521.92

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Solution

The fourth proportional to 28,482,151.84, 42,720,091.92 and 8,012,521.92 is: 12,017,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,151.84 : 42,720,091.92 = 8,012,521.92 : x
  2. Step 2: Convert to fraction form
    28,482,151.84/42,720,091.92 = 8,012,521.92/x
  3. Step 3: Cross multiply
    28,482,151.84x = 42,720,091.92 × 8,012,521.92
  4. Step 4: Simplify right side
    28,482,151.84x = 342,295,672,933,414.88
  5. Step 5: Solve for x
    x = 342,295,672,933,414.88/28,482,151.84
  6. Step 6: Final answer
    x = 12,017,900.71

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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.