Home / 9,921,236.67-13,690,843.88-5,511,248.15

Finding the Fourth Proportional to 9,921,236.67, 13,690,843.88 and 5,511,248.15

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Solution

The fourth proportional to 9,921,236.67, 13,690,843.88 and 5,511,248.15 is: 7,605,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921,236.67 : 13,690,843.88 = 5,511,248.15 : x
  2. Step 2: Convert to fraction form
    9,921,236.67/13,690,843.88 = 5,511,248.15/x
  3. Step 3: Cross multiply
    9,921,236.67x = 13,690,843.88 × 5,511,248.15
  4. Step 4: Simplify right side
    9,921,236.67x = 75,453,637,909,578.36
  5. Step 5: Solve for x
    x = 75,453,637,909,578.36/9,921,236.67
  6. Step 6: Final answer
    x = 7,605,265.39

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1.5x scale

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.