Home / 20,491,376.34-30,737,064.36-7,714,747.38

Finding the Fourth Proportional to 20,491,376.34, 30,737,064.36 and 7,714,747.38

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Solution

The fourth proportional to 20,491,376.34, 30,737,064.36 and 7,714,747.38 is: 11,572,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,376.34 : 30,737,064.36 = 7,714,747.38 : x
  2. Step 2: Convert to fraction form
    20,491,376.34/30,737,064.36 = 7,714,747.38/x
  3. Step 3: Cross multiply
    20,491,376.34x = 30,737,064.36 × 7,714,747.38
  4. Step 4: Simplify right side
    20,491,376.34x = 237,128,686,740,201.38
  5. Step 5: Solve for x
    x = 237,128,686,740,201.38/20,491,376.34
  6. Step 6: Final answer
    x = 11,572,121.01

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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.