Home / 9,967,691.51-13,755,419.56-5,384,012.88

Finding the Fourth Proportional to 9,967,691.51, 13,755,419.56 and 5,384,012.88

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Solution

The fourth proportional to 9,967,691.51, 13,755,419.56 and 5,384,012.88 is: 7,429,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967,691.51 : 13,755,419.56 = 5,384,012.88 : x
  2. Step 2: Convert to fraction form
    9,967,691.51/13,755,419.56 = 5,384,012.88/x
  3. Step 3: Cross multiply
    9,967,691.51x = 13,755,419.56 × 5,384,012.88
  4. Step 4: Simplify right side
    9,967,691.51x = 74,059,356,080,843.94
  5. Step 5: Solve for x
    x = 74,059,356,080,843.94/9,967,691.51
  6. Step 6: Final answer
    x = 7,429,940.62

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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.