Home / 7,034,912.86-9,708,175.47-3,815,648.86

Finding the Fourth Proportional to 7,034,912.86, 9,708,175.47 and 3,815,648.86

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Solution

The fourth proportional to 7,034,912.86, 9,708,175.47 and 3,815,648.86 is: 5,265,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034,912.86 : 9,708,175.47 = 3,815,648.86 : x
  2. Step 2: Convert to fraction form
    7,034,912.86/9,708,175.47 = 3,815,648.86/x
  3. Step 3: Cross multiply
    7,034,912.86x = 9,708,175.47 × 3,815,648.86
  4. Step 4: Simplify right side
    7,034,912.86x = 37,042,988,664,785.47
  5. Step 5: Solve for x
    x = 37,042,988,664,785.47/7,034,912.86
  6. Step 6: Final answer
    x = 5,265,593.11

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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.