Home / 9,876,221.60-13,629,085.38-5,465,955.78

Finding the Fourth Proportional to 9,876,221.60, 13,629,085.38 and 5,465,955.78

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Solution

The fourth proportional to 9,876,221.60, 13,629,085.38 and 5,465,955.78 is: 7,542,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,221.60 : 13,629,085.38 = 5,465,955.78 : x
  2. Step 2: Convert to fraction form
    9,876,221.60/13,629,085.38 = 5,465,955.78/x
  3. Step 3: Cross multiply
    9,876,221.60x = 13,629,085.38 × 5,465,955.78
  4. Step 4: Simplify right side
    9,876,221.60x = 74,495,978,008,924.50
  5. Step 5: Solve for x
    x = 74,495,978,008,924.50/9,876,221.60
  6. Step 6: Final answer
    x = 7,542,963.39

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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.