Home / 21,054,183.60-29,057,290.20-12,795,591

Finding the Fourth Proportional to 21,054,183.60, 29,057,290.20 and 12,795,591

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Solution

The fourth proportional to 21,054,183.60, 29,057,290.20 and 12,795,591 is: 17,659,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,183.60 : 29,057,290.20 = 12,795,591 : x
  2. Step 2: Convert to fraction form
    21,054,183.60/29,057,290.20 = 12,795,591/x
  3. Step 3: Cross multiply
    21,054,183.60x = 29,057,290.20 × 12,795,591
  4. Step 4: Simplify right side
    21,054,183.60x = 371,805,200,967,508.19
  5. Step 5: Solve for x
    x = 371,805,200,967,508.19/21,054,183.60
  6. Step 6: Final answer
    x = 17,659,445.17

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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.