Home / 20,162,078.70-30,239,618.85-7,376,001.90

Finding the Fourth Proportional to 20,162,078.70, 30,239,618.85 and 7,376,001.90

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Solution

The fourth proportional to 20,162,078.70, 30,239,618.85 and 7,376,001.90 is: 11,062,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,078.70 : 30,239,618.85 = 7,376,001.90 : x
  2. Step 2: Convert to fraction form
    20,162,078.70/30,239,618.85 = 7,376,001.90/x
  3. Step 3: Cross multiply
    20,162,078.70x = 30,239,618.85 × 7,376,001.90
  4. Step 4: Simplify right side
    20,162,078.70x = 223,047,486,092,875.84
  5. Step 5: Solve for x
    x = 223,047,486,092,875.84/20,162,078.70
  6. Step 6: Final answer
    x = 11,062,722.72

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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.