Home / 37,049,249.78-51,128,704.45-21,580,330.87

Finding the Fourth Proportional to 37,049,249.78, 51,128,704.45 and 21,580,330.87

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Solution

The fourth proportional to 37,049,249.78, 51,128,704.45 and 21,580,330.87 is: 29,781,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049,249.78 : 51,128,704.45 = 21,580,330.87 : x
  2. Step 2: Convert to fraction form
    37,049,249.78/51,128,704.45 = 21,580,330.87/x
  3. Step 3: Cross multiply
    37,049,249.78x = 51,128,704.45 × 21,580,330.87
  4. Step 4: Simplify right side
    37,049,249.78x = 1,103,374,358,985,441.50
  5. Step 5: Solve for x
    x = 1,103,374,358,985,441.50/37,049,249.78
  6. Step 6: Final answer
    x = 29,781,287.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.