Home / 7,140,057.64-9,853,291.21-3,876,878.68

Finding the Fourth Proportional to 7,140,057.64, 9,853,291.21 and 3,876,878.68

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Solution

The fourth proportional to 7,140,057.64, 9,853,291.21 and 3,876,878.68 is: 5,350,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,057.64 : 9,853,291.21 = 3,876,878.68 : x
  2. Step 2: Convert to fraction form
    7,140,057.64/9,853,291.21 = 3,876,878.68/x
  3. Step 3: Cross multiply
    7,140,057.64x = 9,853,291.21 × 3,876,878.68
  4. Step 4: Simplify right side
    7,140,057.64x = 38,200,014,585,554.98
  5. Step 5: Solve for x
    x = 38,200,014,585,554.98/7,140,057.64
  6. Step 6: Final answer
    x = 5,350,098.91

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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.