Home / 20,800,373.06-28,703,464.52-11,380,960.20

Finding the Fourth Proportional to 20,800,373.06, 28,703,464.52 and 11,380,960.20

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Solution

The fourth proportional to 20,800,373.06, 28,703,464.52 and 11,380,960.20 is: 15,705,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,373.06 : 28,703,464.52 = 11,380,960.20 : x
  2. Step 2: Convert to fraction form
    20,800,373.06/28,703,464.52 = 11,380,960.20/x
  3. Step 3: Cross multiply
    20,800,373.06x = 28,703,464.52 × 11,380,960.20
  4. Step 4: Simplify right side
    20,800,373.06x = 326,672,987,304,232.06
  5. Step 5: Solve for x
    x = 326,672,987,304,232.06/20,800,373.06
  6. Step 6: Final answer
    x = 15,705,150.40

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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.