Home / 15,219,535.50-21,002,987.01-8,250,191.49

Finding the Fourth Proportional to 15,219,535.50, 21,002,987.01 and 8,250,191.49

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Solution

The fourth proportional to 15,219,535.50, 21,002,987.01 and 8,250,191.49 is: 11,385,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,535.50 : 21,002,987.01 = 8,250,191.49 : x
  2. Step 2: Convert to fraction form
    15,219,535.50/21,002,987.01 = 8,250,191.49/x
  3. Step 3: Cross multiply
    15,219,535.50x = 21,002,987.01 × 8,250,191.49
  4. Step 4: Simplify right side
    15,219,535.50x = 173,278,664,694,482.56
  5. Step 5: Solve for x
    x = 173,278,664,694,482.56/15,219,535.50
  6. Step 6: Final answer
    x = 11,385,279.45

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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.