Home / 6,643,134.08-9,167,719.33-3,889,563.88

Finding the Fourth Proportional to 6,643,134.08, 9,167,719.33 and 3,889,563.88

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Solution

The fourth proportional to 6,643,134.08, 9,167,719.33 and 3,889,563.88 is: 5,367,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,134.08 : 9,167,719.33 = 3,889,563.88 : x
  2. Step 2: Convert to fraction form
    6,643,134.08/9,167,719.33 = 3,889,563.88/x
  3. Step 3: Cross multiply
    6,643,134.08x = 9,167,719.33 × 3,889,563.88
  4. Step 4: Simplify right side
    6,643,134.08x = 35,658,429,967,945.80
  5. Step 5: Solve for x
    x = 35,658,429,967,945.80/6,643,134.08
  6. Step 6: Final answer
    x = 5,367,711.92

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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.