Home / 21,802,356.12-30,087,932.79-12,511,625.69

Finding the Fourth Proportional to 21,802,356.12, 30,087,932.79 and 12,511,625.69

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Solution

The fourth proportional to 21,802,356.12, 30,087,932.79 and 12,511,625.69 is: 17,266,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,356.12 : 30,087,932.79 = 12,511,625.69 : x
  2. Step 2: Convert to fraction form
    21,802,356.12/30,087,932.79 = 12,511,625.69/x
  3. Step 3: Cross multiply
    21,802,356.12x = 30,087,932.79 × 12,511,625.69
  4. Step 4: Simplify right side
    21,802,356.12x = 376,448,952,703,917.69
  5. Step 5: Solve for x
    x = 376,448,952,703,917.69/21,802,356.12
  6. Step 6: Final answer
    x = 17,266,434.45

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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.