Home / 15,127,520.38-20,875,952.81-8,252,002.44

Finding the Fourth Proportional to 15,127,520.38, 20,875,952.81 and 8,252,002.44

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Solution

The fourth proportional to 15,127,520.38, 20,875,952.81 and 8,252,002.44 is: 11,387,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127,520.38 : 20,875,952.81 = 8,252,002.44 : x
  2. Step 2: Convert to fraction form
    15,127,520.38/20,875,952.81 = 8,252,002.44/x
  3. Step 3: Cross multiply
    15,127,520.38x = 20,875,952.81 × 8,252,002.44
  4. Step 4: Simplify right side
    15,127,520.38x = 172,268,413,546,074.88
  5. Step 5: Solve for x
    x = 172,268,413,546,074.88/15,127,520.38
  6. Step 6: Final answer
    x = 11,387,749.56

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1.5x scale

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.