Home / 7,984,155.80-11,976,233.70-3,195,281.90

Finding the Fourth Proportional to 7,984,155.80, 11,976,233.70 and 3,195,281.90

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Solution

The fourth proportional to 7,984,155.80, 11,976,233.70 and 3,195,281.90 is: 4,792,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,155.80 : 11,976,233.70 = 3,195,281.90 : x
  2. Step 2: Convert to fraction form
    7,984,155.80/11,976,233.70 = 3,195,281.90/x
  3. Step 3: Cross multiply
    7,984,155.80x = 11,976,233.70 × 3,195,281.90
  4. Step 4: Simplify right side
    7,984,155.80x = 38,267,442,771,780.02
  5. Step 5: Solve for x
    x = 38,267,442,771,780.02/7,984,155.80
  6. Step 6: Final answer
    x = 4,792,922.85

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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.