Home / 18,591,096.28-27,880,375-7,073,829.40

Finding the Fourth Proportional to 18,591,096.28, 27,880,375 and 7,073,829.40

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Solution

The fourth proportional to 18,591,096.28, 27,880,375 and 7,073,829.40 is: 10,608,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,096.28 : 27,880,375 = 7,073,829.40 : x
  2. Step 2: Convert to fraction form
    18,591,096.28/27,880,375 = 7,073,829.40/x
  3. Step 3: Cross multiply
    18,591,096.28x = 27,880,375 × 7,073,829.40
  4. Step 4: Simplify right side
    18,591,096.28x = 197,221,016,358,025
  5. Step 5: Solve for x
    x = 197,221,016,358,025/18,591,096.28
  6. Step 6: Final answer
    x = 10,608,358.61

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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.