Home / 12,072,146.24-16,659,474.72-6,639,521.60

Finding the Fourth Proportional to 12,072,146.24, 16,659,474.72 and 6,639,521.60

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Solution

The fourth proportional to 12,072,146.24, 16,659,474.72 and 6,639,521.60 is: 9,162,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,146.24 : 16,659,474.72 = 6,639,521.60 : x
  2. Step 2: Convert to fraction form
    12,072,146.24/16,659,474.72 = 6,639,521.60/x
  3. Step 3: Cross multiply
    12,072,146.24x = 16,659,474.72 × 6,639,521.60
  4. Step 4: Simplify right side
    12,072,146.24x = 110,610,942,248,093.95
  5. Step 5: Solve for x
    x = 110,610,942,248,093.95/12,072,146.24
  6. Step 6: Final answer
    x = 9,162,491.91

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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.