Home / 26,969,680.80-40,454,521.20-15,639,271.20

Finding the Fourth Proportional to 26,969,680.80, 40,454,521.20 and 15,639,271.20

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Solution

The fourth proportional to 26,969,680.80, 40,454,521.20 and 15,639,271.20 is: 23,458,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969,680.80 : 40,454,521.20 = 15,639,271.20 : x
  2. Step 2: Convert to fraction form
    26,969,680.80/40,454,521.20 = 15,639,271.20/x
  3. Step 3: Cross multiply
    26,969,680.80x = 40,454,521.20 × 15,639,271.20
  4. Step 4: Simplify right side
    26,969,680.80x = 632,679,228,312,949.50
  5. Step 5: Solve for x
    x = 632,679,228,312,949.50/26,969,680.80
  6. Step 6: Final answer
    x = 23,458,906.80

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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.