Home / 11,071,651.64-15,279,257.76-6,425,078.72

Finding the Fourth Proportional to 11,071,651.64, 15,279,257.76 and 6,425,078.72

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Solution

The fourth proportional to 11,071,651.64, 15,279,257.76 and 6,425,078.72 is: 8,866,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,651.64 : 15,279,257.76 = 6,425,078.72 : x
  2. Step 2: Convert to fraction form
    11,071,651.64/15,279,257.76 = 6,425,078.72/x
  3. Step 3: Cross multiply
    11,071,651.64x = 15,279,257.76 × 6,425,078.72
  4. Step 4: Simplify right side
    11,071,651.64x = 98,170,433,891,170.86
  5. Step 5: Solve for x
    x = 98,170,433,891,170.86/11,071,651.64
  6. Step 6: Final answer
    x = 8,866,828.28

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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.