Home / 28,122,299.88-42,145,148.61-15,832,125.33

Finding the Fourth Proportional to 28,122,299.88, 42,145,148.61 and 15,832,125.33

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Solution

The fourth proportional to 28,122,299.88, 42,145,148.61 and 15,832,125.33 is: 23,726,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122,299.88 : 42,145,148.61 = 15,832,125.33 : x
  2. Step 2: Convert to fraction form
    28,122,299.88/42,145,148.61 = 15,832,125.33/x
  3. Step 3: Cross multiply
    28,122,299.88x = 42,145,148.61 × 15,832,125.33
  4. Step 4: Simplify right side
    28,122,299.88x = 667,247,274,686,951
  5. Step 5: Solve for x
    x = 667,247,274,686,951/28,122,299.88
  6. Step 6: Final answer
    x = 23,726,625.40

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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.