Home / 7,389,120.92-10,204,029.88-6,986,559.83

Finding the Fourth Proportional to 7,389,120.92, 10,204,029.88 and 6,986,559.83

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Solution

The fourth proportional to 7,389,120.92, 10,204,029.88 and 6,986,559.83 is: 9,648,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,120.92 : 10,204,029.88 = 6,986,559.83 : x
  2. Step 2: Convert to fraction form
    7,389,120.92/10,204,029.88 = 6,986,559.83/x
  3. Step 3: Cross multiply
    7,389,120.92x = 10,204,029.88 × 6,986,559.83
  4. Step 4: Simplify right side
    7,389,120.92x = 71,291,065,195,241.17
  5. Step 5: Solve for x
    x = 71,291,065,195,241.17/7,389,120.92
  6. Step 6: Final answer
    x = 9,648,111.87

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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.