Home / 15,255,268.80-21,052,425.43-8,286,082.41

Finding the Fourth Proportional to 15,255,268.80, 21,052,425.43 and 8,286,082.41

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Solution

The fourth proportional to 15,255,268.80, 21,052,425.43 and 8,286,082.41 is: 11,434,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255,268.80 : 21,052,425.43 = 8,286,082.41 : x
  2. Step 2: Convert to fraction form
    15,255,268.80/21,052,425.43 = 8,286,082.41/x
  3. Step 3: Cross multiply
    15,255,268.80x = 21,052,425.43 × 8,286,082.41
  4. Step 4: Simplify right side
    15,255,268.80x = 174,442,132,043,359.69
  5. Step 5: Solve for x
    x = 174,442,132,043,359.69/15,255,268.80
  6. Step 6: Final answer
    x = 11,434,877.64

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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.