Home / 51,779,084.28-71,456,651.21-28,259,129.57

Finding the Fourth Proportional to 51,779,084.28, 71,456,651.21 and 28,259,129.57

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Solution

The fourth proportional to 51,779,084.28, 71,456,651.21 and 28,259,129.57 is: 38,998,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,084.28 : 71,456,651.21 = 28,259,129.57 : x
  2. Step 2: Convert to fraction form
    51,779,084.28/71,456,651.21 = 28,259,129.57/x
  3. Step 3: Cross multiply
    51,779,084.28x = 71,456,651.21 × 28,259,129.57
  4. Step 4: Simplify right side
    51,779,084.28x = 2,019,302,765,181,687
  5. Step 5: Solve for x
    x = 2,019,302,765,181,687/51,779,084.28
  6. Step 6: Final answer
    x = 38,998,425.59

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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.