Home / 10,612,981.86-15,922,596.14-3,424,380.90

Finding the Fourth Proportional to 10,612,981.86, 15,922,596.14 and 3,424,380.90

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Solution

The fourth proportional to 10,612,981.86, 15,922,596.14 and 3,424,380.90 is: 5,137,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,981.86 : 15,922,596.14 = 3,424,380.90 : x
  2. Step 2: Convert to fraction form
    10,612,981.86/15,922,596.14 = 3,424,380.90/x
  3. Step 3: Cross multiply
    10,612,981.86x = 15,922,596.14 × 3,424,380.90
  4. Step 4: Simplify right side
    10,612,981.86x = 54,525,034,100,229.73
  5. Step 5: Solve for x
    x = 54,525,034,100,229.73/10,612,981.86
  6. Step 6: Final answer
    x = 5,137,579.13

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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.