Home / 6,913,494.45-9,539,198.01-3,972,743.55

Finding the Fourth Proportional to 6,913,494.45, 9,539,198.01 and 3,972,743.55

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Solution

The fourth proportional to 6,913,494.45, 9,539,198.01 and 3,972,743.55 is: 5,481,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,494.45 : 9,539,198.01 = 3,972,743.55 : x
  2. Step 2: Convert to fraction form
    6,913,494.45/9,539,198.01 = 3,972,743.55/x
  3. Step 3: Cross multiply
    6,913,494.45x = 9,539,198.01 × 3,972,743.55
  4. Step 4: Simplify right side
    6,913,494.45x = 37,896,787,366,400.34
  5. Step 5: Solve for x
    x = 37,896,787,366,400.34/6,913,494.45
  6. Step 6: Final answer
    x = 5,481,567.63

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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.