Home / 12,311,946.92-16,990,190.16-6,729,945.32

Finding the Fourth Proportional to 12,311,946.92, 16,990,190.16 and 6,729,945.32

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Solution

The fourth proportional to 12,311,946.92, 16,990,190.16 and 6,729,945.32 is: 9,287,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,946.92 : 16,990,190.16 = 6,729,945.32 : x
  2. Step 2: Convert to fraction form
    12,311,946.92/16,990,190.16 = 6,729,945.32/x
  3. Step 3: Cross multiply
    12,311,946.92x = 16,990,190.16 × 6,729,945.32
  4. Step 4: Simplify right side
    12,311,946.92x = 114,343,050,753,202.06
  5. Step 5: Solve for x
    x = 114,343,050,753,202.06/12,311,946.92
  6. Step 6: Final answer
    x = 9,287,162.42

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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.