Home / 10,993,393.16-15,171,031.86-8,235,194.12

Finding the Fourth Proportional to 10,993,393.16, 15,171,031.86 and 8,235,194.12

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Solution

The fourth proportional to 10,993,393.16, 15,171,031.86 and 8,235,194.12 is: 11,364,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,393.16 : 15,171,031.86 = 8,235,194.12 : x
  2. Step 2: Convert to fraction form
    10,993,393.16/15,171,031.86 = 8,235,194.12/x
  3. Step 3: Cross multiply
    10,993,393.16x = 15,171,031.86 × 8,235,194.12
  4. Step 4: Simplify right side
    10,993,393.16x = 124,936,392,367,804.66
  5. Step 5: Solve for x
    x = 124,936,392,367,804.66/10,993,393.16
  6. Step 6: Final answer
    x = 11,364,679.73

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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.