Home / 12,491,244.80-18,736,867.20-9,656,892.80

Finding the Fourth Proportional to 12,491,244.80, 18,736,867.20 and 9,656,892.80

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Solution

The fourth proportional to 12,491,244.80, 18,736,867.20 and 9,656,892.80 is: 14,485,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,244.80 : 18,736,867.20 = 9,656,892.80 : x
  2. Step 2: Convert to fraction form
    12,491,244.80/18,736,867.20 = 9,656,892.80/x
  3. Step 3: Cross multiply
    12,491,244.80x = 18,736,867.20 × 9,656,892.80
  4. Step 4: Simplify right side
    12,491,244.80x = 180,939,917,958,236.16
  5. Step 5: Solve for x
    x = 180,939,917,958,236.16/12,491,244.80
  6. Step 6: Final answer
    x = 14,485,339.20

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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.