Home / 20,257,309.36-27,955,083.45-10,964,877.58

Finding the Fourth Proportional to 20,257,309.36, 27,955,083.45 and 10,964,877.58

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Solution

The fourth proportional to 20,257,309.36, 27,955,083.45 and 10,964,877.58 is: 15,131,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,309.36 : 27,955,083.45 = 10,964,877.58 : x
  2. Step 2: Convert to fraction form
    20,257,309.36/27,955,083.45 = 10,964,877.58/x
  3. Step 3: Cross multiply
    20,257,309.36x = 27,955,083.45 × 10,964,877.58
  4. Step 4: Simplify right side
    20,257,309.36x = 306,524,067,767,934.06
  5. Step 5: Solve for x
    x = 306,524,067,767,934.06/20,257,309.36
  6. Step 6: Final answer
    x = 15,131,529.18

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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.