Home / 12,922,503.40-19,374,423.90-7,244,468.20

Finding the Fourth Proportional to 12,922,503.40, 19,374,423.90 and 7,244,468.20

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Solution

The fourth proportional to 12,922,503.40, 19,374,423.90 and 7,244,468.20 is: 10,861,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,503.40 : 19,374,423.90 = 7,244,468.20 : x
  2. Step 2: Convert to fraction form
    12,922,503.40/19,374,423.90 = 7,244,468.20/x
  3. Step 3: Cross multiply
    12,922,503.40x = 19,374,423.90 × 7,244,468.20
  4. Step 4: Simplify right side
    12,922,503.40x = 140,357,397,836,869.97
  5. Step 5: Solve for x
    x = 140,357,397,836,869.97/12,922,503.40
  6. Step 6: Final answer
    x = 10,861,471.15

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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.