Home / 8,203,281.70-12,304,922.55-7,282,117.30

Finding the Fourth Proportional to 8,203,281.70, 12,304,922.55 and 7,282,117.30

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Solution

The fourth proportional to 8,203,281.70, 12,304,922.55 and 7,282,117.30 is: 10,923,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,281.70 : 12,304,922.55 = 7,282,117.30 : x
  2. Step 2: Convert to fraction form
    8,203,281.70/12,304,922.55 = 7,282,117.30/x
  3. Step 3: Cross multiply
    8,203,281.70x = 12,304,922.55 × 7,282,117.30
  4. Step 4: Simplify right side
    8,203,281.70x = 89,605,889,376,515.12
  5. Step 5: Solve for x
    x = 89,605,889,376,515.12/8,203,281.70
  6. Step 6: Final answer
    x = 10,923,175.95

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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.