Home / 21,670,236.14-29,907,972.52-13,412,947.10

Finding the Fourth Proportional to 21,670,236.14, 29,907,972.52 and 13,412,947.10

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Solution

The fourth proportional to 21,670,236.14, 29,907,972.52 and 13,412,947.10 is: 18,511,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670,236.14 : 29,907,972.52 = 13,412,947.10 : x
  2. Step 2: Convert to fraction form
    21,670,236.14/29,907,972.52 = 13,412,947.10/x
  3. Step 3: Cross multiply
    21,670,236.14x = 29,907,972.52 × 13,412,947.10
  4. Step 4: Simplify right side
    21,670,236.14x = 401,154,053,279,013.69
  5. Step 5: Solve for x
    x = 401,154,053,279,013.69/21,670,236.14
  6. Step 6: Final answer
    x = 18,511,752.74

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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.