Home / 12,432,912.60-18,651,891.15-3,911,267.10

Finding the Fourth Proportional to 12,432,912.60, 18,651,891.15 and 3,911,267.10

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Solution

The fourth proportional to 12,432,912.60, 18,651,891.15 and 3,911,267.10 is: 5,867,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,912.60 : 18,651,891.15 = 3,911,267.10 : x
  2. Step 2: Convert to fraction form
    12,432,912.60/18,651,891.15 = 3,911,267.10/x
  3. Step 3: Cross multiply
    12,432,912.60x = 18,651,891.15 × 3,911,267.10
  4. Step 4: Simplify right side
    12,432,912.60x = 72,952,528,207,776.16
  5. Step 5: Solve for x
    x = 72,952,528,207,776.16/12,432,912.60
  6. Step 6: Final answer
    x = 5,867,694.12

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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.