Home / 18,567,515.20-27,851,272.80-15,376,244.80

Finding the Fourth Proportional to 18,567,515.20, 27,851,272.80 and 15,376,244.80

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Solution

The fourth proportional to 18,567,515.20, 27,851,272.80 and 15,376,244.80 is: 23,064,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567,515.20 : 27,851,272.80 = 15,376,244.80 : x
  2. Step 2: Convert to fraction form
    18,567,515.20/27,851,272.80 = 15,376,244.80/x
  3. Step 3: Cross multiply
    18,567,515.20x = 27,851,272.80 × 15,376,244.80
  4. Step 4: Simplify right side
    18,567,515.20x = 428,247,988,564,381.50
  5. Step 5: Solve for x
    x = 428,247,988,564,381.50/18,567,515.20
  6. Step 6: Final answer
    x = 23,064,367.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.