Home / 28,526,996.88-42,752,643.21-15,539,830.29

Finding the Fourth Proportional to 28,526,996.88, 42,752,643.21 and 15,539,830.29

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Solution

The fourth proportional to 28,526,996.88, 42,752,643.21 and 15,539,830.29 is: 23,289,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526,996.88 : 42,752,643.21 = 15,539,830.29 : x
  2. Step 2: Convert to fraction form
    28,526,996.88/42,752,643.21 = 15,539,830.29/x
  3. Step 3: Cross multiply
    28,526,996.88x = 42,752,643.21 × 15,539,830.29
  4. Step 4: Simplify right side
    28,526,996.88x = 664,368,819,932,320.75
  5. Step 5: Solve for x
    x = 664,368,819,932,320.75/28,526,996.88
  6. Step 6: Final answer
    x = 23,289,125.83

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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.