Home / 11,974,381.85-16,519,958.02-7,382,731.61

Finding the Fourth Proportional to 11,974,381.85, 16,519,958.02 and 7,382,731.61

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Solution

The fourth proportional to 11,974,381.85, 16,519,958.02 and 7,382,731.61 is: 10,185,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974,381.85 : 16,519,958.02 = 7,382,731.61 : x
  2. Step 2: Convert to fraction form
    11,974,381.85/16,519,958.02 = 7,382,731.61/x
  3. Step 3: Cross multiply
    11,974,381.85x = 16,519,958.02 × 7,382,731.61
  4. Step 4: Simplify right side
    11,974,381.85x = 121,962,416,270,127.02
  5. Step 5: Solve for x
    x = 121,962,416,270,127.02/11,974,381.85
  6. Step 6: Final answer
    x = 10,185,278.69

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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.