Home / 18,125,353.28-25,013,528.84-11,160,049.15

Finding the Fourth Proportional to 18,125,353.28, 25,013,528.84 and 11,160,049.15

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Solution

The fourth proportional to 18,125,353.28, 25,013,528.84 and 11,160,049.15 is: 15,401,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,353.28 : 25,013,528.84 = 11,160,049.15 : x
  2. Step 2: Convert to fraction form
    18,125,353.28/25,013,528.84 = 11,160,049.15/x
  3. Step 3: Cross multiply
    18,125,353.28x = 25,013,528.84 × 11,160,049.15
  4. Step 4: Simplify right side
    18,125,353.28x = 279,152,211,234,708.81
  5. Step 5: Solve for x
    x = 279,152,211,234,708.81/18,125,353.28
  6. Step 6: Final answer
    x = 15,401,201.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.