Home / 7,217,132.58-9,959,651.38-3,909,433.50

Finding the Fourth Proportional to 7,217,132.58, 9,959,651.38 and 3,909,433.50

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Solution

The fourth proportional to 7,217,132.58, 9,959,651.38 and 3,909,433.50 is: 5,395,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,132.58 : 9,959,651.38 = 3,909,433.50 : x
  2. Step 2: Convert to fraction form
    7,217,132.58/9,959,651.38 = 3,909,433.50/x
  3. Step 3: Cross multiply
    7,217,132.58x = 9,959,651.38 × 3,909,433.50
  4. Step 4: Simplify right side
    7,217,132.58x = 38,936,594,753,293.23
  5. Step 5: Solve for x
    x = 38,936,594,753,293.23/7,217,132.58
  6. Step 6: Final answer
    x = 5,395,022.79

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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.