Home / 28,858,551.85-39,824,839.95-15,627,751.57

Finding the Fourth Proportional to 28,858,551.85, 39,824,839.95 and 15,627,751.57

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Solution

The fourth proportional to 28,858,551.85, 39,824,839.95 and 15,627,751.57 is: 21,566,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,551.85 : 39,824,839.95 = 15,627,751.57 : x
  2. Step 2: Convert to fraction form
    28,858,551.85/39,824,839.95 = 15,627,751.57/x
  3. Step 3: Cross multiply
    28,858,551.85x = 39,824,839.95 × 15,627,751.57
  4. Step 4: Simplify right side
    28,858,551.85x = 622,372,705,053,611.25
  5. Step 5: Solve for x
    x = 622,372,705,053,611.25/28,858,551.85
  6. Step 6: Final answer
    x = 21,566,317.96

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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.