Home / 10,185,535.18-15,278,080.83-4,791,195.61

Finding the Fourth Proportional to 10,185,535.18, 15,278,080.83 and 4,791,195.61

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Solution

The fourth proportional to 10,185,535.18, 15,278,080.83 and 4,791,195.61 is: 7,186,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185,535.18 : 15,278,080.83 = 4,791,195.61 : x
  2. Step 2: Convert to fraction form
    10,185,535.18/15,278,080.83 = 4,791,195.61/x
  3. Step 3: Cross multiply
    10,185,535.18x = 15,278,080.83 × 4,791,195.61
  4. Step 4: Simplify right side
    10,185,535.18x = 73,200,273,801,921.16
  5. Step 5: Solve for x
    x = 73,200,273,801,921.16/10,185,535.18
  6. Step 6: Final answer
    x = 7,186,689.02

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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.