Home / 12,250,909.23-16,905,736.83-6,669,039.69

Finding the Fourth Proportional to 12,250,909.23, 16,905,736.83 and 6,669,039.69

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Solution

The fourth proportional to 12,250,909.23, 16,905,736.83 and 6,669,039.69 is: 9,202,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,909.23 : 16,905,736.83 = 6,669,039.69 : x
  2. Step 2: Convert to fraction form
    12,250,909.23/16,905,736.83 = 6,669,039.69/x
  3. Step 3: Cross multiply
    12,250,909.23x = 16,905,736.83 × 6,669,039.69
  4. Step 4: Simplify right side
    12,250,909.23x = 112,745,029,907,964.78
  5. Step 5: Solve for x
    x = 112,745,029,907,964.78/12,250,909.23
  6. Step 6: Final answer
    x = 9,202,992.84

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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.