Home / 20,252,019.56-27,949,049.15-11,432,963.75

Finding the Fourth Proportional to 20,252,019.56, 27,949,049.15 and 11,432,963.75

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Solution

The fourth proportional to 20,252,019.56, 27,949,049.15 and 11,432,963.75 is: 15,778,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,019.56 : 27,949,049.15 = 11,432,963.75 : x
  2. Step 2: Convert to fraction form
    20,252,019.56/27,949,049.15 = 11,432,963.75/x
  3. Step 3: Cross multiply
    20,252,019.56x = 27,949,049.15 × 11,432,963.75
  4. Step 4: Simplify right side
    20,252,019.56x = 319,540,465,582,008.25
  5. Step 5: Solve for x
    x = 319,540,465,582,008.25/20,252,019.56
  6. Step 6: Final answer
    x = 15,778,202.50

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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.