Home / 8,121,339.52-11,207,445.33-4,499,667.52

Finding the Fourth Proportional to 8,121,339.52, 11,207,445.33 and 4,499,667.52

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Solution

The fourth proportional to 8,121,339.52, 11,207,445.33 and 4,499,667.52 is: 6,209,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,339.52 : 11,207,445.33 = 4,499,667.52 : x
  2. Step 2: Convert to fraction form
    8,121,339.52/11,207,445.33 = 4,499,667.52/x
  3. Step 3: Cross multiply
    8,121,339.52x = 11,207,445.33 × 4,499,667.52
  4. Step 4: Simplify right side
    8,121,339.52x = 50,429,777,733,576.68
  5. Step 5: Solve for x
    x = 50,429,777,733,576.68/8,121,339.52
  6. Step 6: Final answer
    x = 6,209,539.40

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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.