Home / 14,771,714.97-20,388,367.91-8,662,111.77

Finding the Fourth Proportional to 14,771,714.97, 20,388,367.91 and 8,662,111.77

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Solution

The fourth proportional to 14,771,714.97, 20,388,367.91 and 8,662,111.77 is: 11,955,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,714.97 : 20,388,367.91 = 8,662,111.77 : x
  2. Step 2: Convert to fraction form
    14,771,714.97/20,388,367.91 = 8,662,111.77/x
  3. Step 3: Cross multiply
    14,771,714.97x = 20,388,367.91 × 8,662,111.77
  4. Step 4: Simplify right side
    14,771,714.97x = 176,606,321,644,301.28
  5. Step 5: Solve for x
    x = 176,606,321,644,301.28/14,771,714.97
  6. Step 6: Final answer
    x = 11,955,708.73

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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.