Home / 12,457,729.80-18,651,165.30-9,599,758.20

Finding the Fourth Proportional to 12,457,729.80, 18,651,165.30 and 9,599,758.20

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Solution

The fourth proportional to 12,457,729.80, 18,651,165.30 and 9,599,758.20 is: 14,372,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,729.80 : 18,651,165.30 = 9,599,758.20 : x
  2. Step 2: Convert to fraction form
    12,457,729.80/18,651,165.30 = 9,599,758.20/x
  3. Step 3: Cross multiply
    12,457,729.80x = 18,651,165.30 × 9,599,758.20
  4. Step 4: Simplify right side
    12,457,729.80x = 179,046,677,028,230.47
  5. Step 5: Solve for x
    x = 179,046,677,028,230.47/12,457,729.80
  6. Step 6: Final answer
    x = 14,372,335.88

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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.