Home / 8,129,221.47-12,193,853.40-2,741,656.32

Finding the Fourth Proportional to 8,129,221.47, 12,193,853.40 and 2,741,656.32

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Solution

The fourth proportional to 8,129,221.47, 12,193,853.40 and 2,741,656.32 is: 4,112,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,221.47 : 12,193,853.40 = 2,741,656.32 : x
  2. Step 2: Convert to fraction form
    8,129,221.47/12,193,853.40 = 2,741,656.32/x
  3. Step 3: Cross multiply
    8,129,221.47x = 12,193,853.40 × 2,741,656.32
  4. Step 4: Simplify right side
    8,129,221.47x = 33,431,355,239,263.49
  5. Step 5: Solve for x
    x = 33,431,355,239,263.49/8,129,221.47
  6. Step 6: Final answer
    x = 4,112,491.63

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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.