Home / 28,828,634.22-39,783,517.92-15,775,892.46

Finding the Fourth Proportional to 28,828,634.22, 39,783,517.92 and 15,775,892.46

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Solution

The fourth proportional to 28,828,634.22, 39,783,517.92 and 15,775,892.46 is: 21,770,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,634.22 : 39,783,517.92 = 15,775,892.46 : x
  2. Step 2: Convert to fraction form
    28,828,634.22/39,783,517.92 = 15,775,892.46/x
  3. Step 3: Cross multiply
    28,828,634.22x = 39,783,517.92 × 15,775,892.46
  4. Step 4: Simplify right side
    28,828,634.22x = 627,620,500,386,403
  5. Step 5: Solve for x
    x = 627,620,500,386,403/28,828,634.22
  6. Step 6: Final answer
    x = 21,770,733.07

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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.