Home / 10,435,493.40-15,661,016.10-5,384,203.80

Finding the Fourth Proportional to 10,435,493.40, 15,661,016.10 and 5,384,203.80

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Solution

The fourth proportional to 10,435,493.40, 15,661,016.10 and 5,384,203.80 is: 8,080,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435,493.40 : 15,661,016.10 = 5,384,203.80 : x
  2. Step 2: Convert to fraction form
    10,435,493.40/15,661,016.10 = 5,384,203.80/x
  3. Step 3: Cross multiply
    10,435,493.40x = 15,661,016.10 × 5,384,203.80
  4. Step 4: Simplify right side
    10,435,493.40x = 84,322,102,397,481.17
  5. Step 5: Solve for x
    x = 84,322,102,397,481.17/10,435,493.40
  6. Step 6: Final answer
    x = 8,080,317.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.