Home / 12,288,517.70-18,432,776.55-8,506,271.30

Finding the Fourth Proportional to 12,288,517.70, 18,432,776.55 and 8,506,271.30

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Solution

The fourth proportional to 12,288,517.70, 18,432,776.55 and 8,506,271.30 is: 12,759,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,517.70 : 18,432,776.55 = 8,506,271.30 : x
  2. Step 2: Convert to fraction form
    12,288,517.70/18,432,776.55 = 8,506,271.30/x
  3. Step 3: Cross multiply
    12,288,517.70x = 18,432,776.55 × 8,506,271.30
  4. Step 4: Simplify right side
    12,288,517.70x = 156,794,198,146,578.03
  5. Step 5: Solve for x
    x = 156,794,198,146,578.03/12,288,517.70
  6. Step 6: Final answer
    x = 12,759,406.95

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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.