Home / 12,016,651.92-16,583,643.72-6,861,669.36

Finding the Fourth Proportional to 12,016,651.92, 16,583,643.72 and 6,861,669.36

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Solution

The fourth proportional to 12,016,651.92, 16,583,643.72 and 6,861,669.36 is: 9,469,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,651.92 : 16,583,643.72 = 6,861,669.36 : x
  2. Step 2: Convert to fraction form
    12,016,651.92/16,583,643.72 = 6,861,669.36/x
  3. Step 3: Cross multiply
    12,016,651.92x = 16,583,643.72 × 6,861,669.36
  4. Step 4: Simplify right side
    12,016,651.92x = 113,791,479,990,680.42
  5. Step 5: Solve for x
    x = 113,791,479,990,680.42/12,016,651.92
  6. Step 6: Final answer
    x = 9,469,482.91

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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.