Home / 15,505,872.40-23,262,308.43-5,131,064.86

Finding the Fourth Proportional to 15,505,872.40, 23,262,308.43 and 5,131,064.86

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Solution

The fourth proportional to 15,505,872.40, 23,262,308.43 and 5,131,064.86 is: 7,697,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505,872.40 : 23,262,308.43 = 5,131,064.86 : x
  2. Step 2: Convert to fraction form
    15,505,872.40/23,262,308.43 = 5,131,064.86/x
  3. Step 3: Cross multiply
    15,505,872.40x = 23,262,308.43 × 5,131,064.86
  4. Step 4: Simplify right side
    15,505,872.40x = 119,360,413,347,654.78
  5. Step 5: Solve for x
    x = 119,360,413,347,654.78/15,505,872.40
  6. Step 6: Final answer
    x = 7,697,755.42

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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.