Home / 20,065,191.25-27,688,273.55-11,124,540.64

Finding the Fourth Proportional to 20,065,191.25, 27,688,273.55 and 11,124,540.64

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Solution

The fourth proportional to 20,065,191.25, 27,688,273.55 and 11,124,540.64 is: 15,350,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,191.25 : 27,688,273.55 = 11,124,540.64 : x
  2. Step 2: Convert to fraction form
    20,065,191.25/27,688,273.55 = 11,124,540.64/x
  3. Step 3: Cross multiply
    20,065,191.25x = 27,688,273.55 × 11,124,540.64
  4. Step 4: Simplify right side
    20,065,191.25x = 308,019,324,164,348
  5. Step 5: Solve for x
    x = 308,019,324,164,348/20,065,191.25
  6. Step 6: Final answer
    x = 15,350,928.90

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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.