Home / 11,298,359.12-15,591,407.31-6,404,031.72

Finding the Fourth Proportional to 11,298,359.12, 15,591,407.31 and 6,404,031.72

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Solution

The fourth proportional to 11,298,359.12, 15,591,407.31 and 6,404,031.72 is: 8,837,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298,359.12 : 15,591,407.31 = 6,404,031.72 : x
  2. Step 2: Convert to fraction form
    11,298,359.12/15,591,407.31 = 6,404,031.72/x
  3. Step 3: Cross multiply
    11,298,359.12x = 15,591,407.31 × 6,404,031.72
  4. Step 4: Simplify right side
    11,298,359.12x = 99,847,866,972,679.88
  5. Step 5: Solve for x
    x = 99,847,866,972,679.88/11,298,359.12
  6. Step 6: Final answer
    x = 8,837,377.71

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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.