Home / 7,167,718.20-10,751,686.56-2,619,691.32

Finding the Fourth Proportional to 7,167,718.20, 10,751,686.56 and 2,619,691.32

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Solution

The fourth proportional to 7,167,718.20, 10,751,686.56 and 2,619,691.32 is: 3,929,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,718.20 : 10,751,686.56 = 2,619,691.32 : x
  2. Step 2: Convert to fraction form
    7,167,718.20/10,751,686.56 = 2,619,691.32/x
  3. Step 3: Cross multiply
    7,167,718.20x = 10,751,686.56 × 2,619,691.32
  4. Step 4: Simplify right side
    7,167,718.20x = 28,166,099,956,592.66
  5. Step 5: Solve for x
    x = 28,166,099,956,592.66/7,167,718.20
  6. Step 6: Final answer
    x = 3,929,576.91

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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.