Home / 28,858,552.85-39,824,841.33-15,627,752.57

Finding the Fourth Proportional to 28,858,552.85, 39,824,841.33 and 15,627,752.57

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Solution

The fourth proportional to 28,858,552.85, 39,824,841.33 and 15,627,752.57 is: 21,566,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,552.85 : 39,824,841.33 = 15,627,752.57 : x
  2. Step 2: Convert to fraction form
    28,858,552.85/39,824,841.33 = 15,627,752.57/x
  3. Step 3: Cross multiply
    28,858,552.85x = 39,824,841.33 × 15,627,752.57
  4. Step 4: Simplify right side
    28,858,552.85x = 622,372,766,444,749.75
  5. Step 5: Solve for x
    x = 622,372,766,444,749.75/28,858,552.85
  6. Step 6: Final answer
    x = 21,566,319.34

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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.