Home / 7,216,057.13-9,958,160.60-3,952,987.87

Finding the Fourth Proportional to 7,216,057.13, 9,958,160.60 and 3,952,987.87

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Solution

The fourth proportional to 7,216,057.13, 9,958,160.60 and 3,952,987.87 is: 5,455,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,057.13 : 9,958,160.60 = 3,952,987.87 : x
  2. Step 2: Convert to fraction form
    7,216,057.13/9,958,160.60 = 3,952,987.87/x
  3. Step 3: Cross multiply
    7,216,057.13x = 9,958,160.60 × 3,952,987.87
  4. Step 4: Simplify right side
    7,216,057.13x = 39,364,488,070,382.39
  5. Step 5: Solve for x
    x = 39,364,488,070,382.39/7,216,057.13
  6. Step 6: Final answer
    x = 5,455,124.23

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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.