Home / 15,653,055.60-23,491,247.40-8,076,121.20

Finding the Fourth Proportional to 15,653,055.60, 23,491,247.40 and 8,076,121.20

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Solution

The fourth proportional to 15,653,055.60, 23,491,247.40 and 8,076,121.20 is: 12,120,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653,055.60 : 23,491,247.40 = 8,076,121.20 : x
  2. Step 2: Convert to fraction form
    15,653,055.60/23,491,247.40 = 8,076,121.20/x
  3. Step 3: Cross multiply
    15,653,055.60x = 23,491,247.40 × 8,076,121.20
  4. Step 4: Simplify right side
    15,653,055.60x = 189,718,161,141,584.88
  5. Step 5: Solve for x
    x = 189,718,161,141,584.88/15,653,055.60
  6. Step 6: Final answer
    x = 12,120,199.79

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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.