Home / 11,907,568.28-16,441,700.29-9,149,908.91

Finding the Fourth Proportional to 11,907,568.28, 16,441,700.29 and 9,149,908.91

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Solution

The fourth proportional to 11,907,568.28, 16,441,700.29 and 9,149,908.91 is: 12,633,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907,568.28 : 16,441,700.29 = 9,149,908.91 : x
  2. Step 2: Convert to fraction form
    11,907,568.28/16,441,700.29 = 9,149,908.91/x
  3. Step 3: Cross multiply
    11,907,568.28x = 16,441,700.29 × 9,149,908.91
  4. Step 4: Simplify right side
    11,907,568.28x = 150,440,059,873,937.28
  5. Step 5: Solve for x
    x = 150,440,059,873,937.28/11,907,568.28
  6. Step 6: Final answer
    x = 12,633,986.75

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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.