Home / 51,227,507.86-70,695,647.02-28,022,103.78

Finding the Fourth Proportional to 51,227,507.86, 70,695,647.02 and 28,022,103.78

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Solution

The fourth proportional to 51,227,507.86, 70,695,647.02 and 28,022,103.78 is: 38,671,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227,507.86 : 70,695,647.02 = 28,022,103.78 : x
  2. Step 2: Convert to fraction form
    51,227,507.86/70,695,647.02 = 28,022,103.78/x
  3. Step 3: Cross multiply
    51,227,507.86x = 70,695,647.02 × 28,022,103.78
  4. Step 4: Simplify right side
    51,227,507.86x = 1,981,040,757,588,687.75
  5. Step 5: Solve for x
    x = 1,981,040,757,588,687.75/51,227,507.86
  6. Step 6: Final answer
    x = 38,671,425.57

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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.