Home / 18,086,646.60-27,129,969.90-10,906,288.20

Finding the Fourth Proportional to 18,086,646.60, 27,129,969.90 and 10,906,288.20

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Solution

The fourth proportional to 18,086,646.60, 27,129,969.90 and 10,906,288.20 is: 16,359,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,646.60 : 27,129,969.90 = 10,906,288.20 : x
  2. Step 2: Convert to fraction form
    18,086,646.60/27,129,969.90 = 10,906,288.20/x
  3. Step 3: Cross multiply
    18,086,646.60x = 27,129,969.90 × 10,906,288.20
  4. Step 4: Simplify right side
    18,086,646.60x = 295,887,270,586,725.12
  5. Step 5: Solve for x
    x = 295,887,270,586,725.12/18,086,646.60
  6. Step 6: Final answer
    x = 16,359,432.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.