Home / 20,162,087.70-30,239,632.35-7,376,010.90

Finding the Fourth Proportional to 20,162,087.70, 30,239,632.35 and 7,376,010.90

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Solution

The fourth proportional to 20,162,087.70, 30,239,632.35 and 7,376,010.90 is: 11,062,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,087.70 : 30,239,632.35 = 7,376,010.90 : x
  2. Step 2: Convert to fraction form
    20,162,087.70/30,239,632.35 = 7,376,010.90/x
  3. Step 3: Cross multiply
    20,162,087.70x = 30,239,632.35 × 7,376,010.90
  4. Step 4: Simplify right side
    20,162,087.70x = 223,047,857,825,592.62
  5. Step 5: Solve for x
    x = 223,047,857,825,592.62/20,162,087.70
  6. Step 6: Final answer
    x = 11,062,736.22

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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.