Home / 11,666,639.94-16,099,964.52-6,439,649.88

Finding the Fourth Proportional to 11,666,639.94, 16,099,964.52 and 6,439,649.88

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Solution

The fourth proportional to 11,666,639.94, 16,099,964.52 and 6,439,649.88 is: 8,886,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,639.94 : 16,099,964.52 = 6,439,649.88 : x
  2. Step 2: Convert to fraction form
    11,666,639.94/16,099,964.52 = 6,439,649.88/x
  3. Step 3: Cross multiply
    11,666,639.94x = 16,099,964.52 × 6,439,649.88
  4. Step 4: Simplify right side
    11,666,639.94x = 103,678,134,589,222.25
  5. Step 5: Solve for x
    x = 103,678,134,589,222.25/11,666,639.94
  6. Step 6: Final answer
    x = 8,886,717.61

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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.