Home / 13,990,494.50-20,960,166-10,142,787.56

Finding the Fourth Proportional to 13,990,494.50, 20,960,166 and 10,142,787.56

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Solution

The fourth proportional to 13,990,494.50, 20,960,166 and 10,142,787.56 is: 15,195,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,494.50 : 20,960,166 = 10,142,787.56 : x
  2. Step 2: Convert to fraction form
    13,990,494.50/20,960,166 = 10,142,787.56/x
  3. Step 3: Cross multiply
    13,990,494.50x = 20,960,166 × 10,142,787.56
  4. Step 4: Simplify right side
    13,990,494.50x = 212,594,510,960,334.97
  5. Step 5: Solve for x
    x = 212,594,510,960,334.97/13,990,494.50
  6. Step 6: Final answer
    x = 15,195,639.51

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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.