Home / 15,482,589.62-21,334,491.05-11,976,638.24

Finding the Fourth Proportional to 15,482,589.62, 21,334,491.05 and 11,976,638.24

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Solution

The fourth proportional to 15,482,589.62, 21,334,491.05 and 11,976,638.24 is: 16,503,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,589.62 : 21,334,491.05 = 11,976,638.24 : x
  2. Step 2: Convert to fraction form
    15,482,589.62/21,334,491.05 = 11,976,638.24/x
  3. Step 3: Cross multiply
    15,482,589.62x = 21,334,491.05 × 11,976,638.24
  4. Step 4: Simplify right side
    15,482,589.62x = 255,515,481,173,812.12
  5. Step 5: Solve for x
    x = 255,515,481,173,812.12/15,482,589.62
  6. Step 6: Final answer
    x = 16,503,407.22

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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.