Home / 11,309,691.20-15,606,713.92-6,347,671.52

Finding the Fourth Proportional to 11,309,691.20, 15,606,713.92 and 6,347,671.52

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Solution

The fourth proportional to 11,309,691.20, 15,606,713.92 and 6,347,671.52 is: 8,759,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309,691.20 : 15,606,713.92 = 6,347,671.52 : x
  2. Step 2: Convert to fraction form
    11,309,691.20/15,606,713.92 = 6,347,671.52/x
  3. Step 3: Cross multiply
    11,309,691.20x = 15,606,713.92 × 6,347,671.52
  4. Step 4: Simplify right side
    11,309,691.20x = 99,066,293,470,771.55
  5. Step 5: Solve for x
    x = 99,066,293,470,771.55/11,309,691.20
  6. Step 6: Final answer
    x = 8,759,416.30

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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.