Home / 12,522,512.40-18,806,578.20-10,954,870.80

Finding the Fourth Proportional to 12,522,512.40, 18,806,578.20 and 10,954,870.80

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Solution

The fourth proportional to 12,522,512.40, 18,806,578.20 and 10,954,870.80 is: 16,452,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,512.40 : 18,806,578.20 = 10,954,870.80 : x
  2. Step 2: Convert to fraction form
    12,522,512.40/18,806,578.20 = 10,954,870.80/x
  3. Step 3: Cross multiply
    12,522,512.40x = 18,806,578.20 × 10,954,870.80
  4. Step 4: Simplify right side
    12,522,512.40x = 206,023,634,371,096.56
  5. Step 5: Solve for x
    x = 206,023,634,371,096.56/12,522,512.40
  6. Step 6: Final answer
    x = 16,452,260.36

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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.