Home / 20,162,077.70-30,239,617.35-7,376,000.90

Finding the Fourth Proportional to 20,162,077.70, 30,239,617.35 and 7,376,000.90

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Solution

The fourth proportional to 20,162,077.70, 30,239,617.35 and 7,376,000.90 is: 11,062,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,077.70 : 30,239,617.35 = 7,376,000.90 : x
  2. Step 2: Convert to fraction form
    20,162,077.70/30,239,617.35 = 7,376,000.90/x
  3. Step 3: Cross multiply
    20,162,077.70x = 30,239,617.35 × 7,376,000.90
  4. Step 4: Simplify right side
    20,162,077.70x = 223,047,444,789,255.62
  5. Step 5: Solve for x
    x = 223,047,444,789,255.62/20,162,077.70
  6. Step 6: Final answer
    x = 11,062,721.22

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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.