Home / 18,389,290.10-25,377,797.49-10,129,951.22

Finding the Fourth Proportional to 18,389,290.10, 25,377,797.49 and 10,129,951.22

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Solution

The fourth proportional to 18,389,290.10, 25,377,797.49 and 10,129,951.22 is: 13,979,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,290.10 : 25,377,797.49 = 10,129,951.22 : x
  2. Step 2: Convert to fraction form
    18,389,290.10/25,377,797.49 = 10,129,951.22/x
  3. Step 3: Cross multiply
    18,389,290.10x = 25,377,797.49 × 10,129,951.22
  4. Step 4: Simplify right side
    18,389,290.10x = 257,075,850,644,738.44
  5. Step 5: Solve for x
    x = 257,075,850,644,738.44/18,389,290.10
  6. Step 6: Final answer
    x = 13,979,650.61

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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.