Home / 11,278,057.92-15,563,302.44-6,121,308.72

Finding the Fourth Proportional to 11,278,057.92, 15,563,302.44 and 6,121,308.72

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Solution

The fourth proportional to 11,278,057.92, 15,563,302.44 and 6,121,308.72 is: 8,447,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,057.92 : 15,563,302.44 = 6,121,308.72 : x
  2. Step 2: Convert to fraction form
    11,278,057.92/15,563,302.44 = 6,121,308.72/x
  3. Step 3: Cross multiply
    11,278,057.92x = 15,563,302.44 × 6,121,308.72
  4. Step 4: Simplify right side
    11,278,057.92x = 95,267,778,937,969.27
  5. Step 5: Solve for x
    x = 95,267,778,937,969.27/11,278,057.92
  6. Step 6: Final answer
    x = 8,447,179.44

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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.