Home / 12,311,579.68-16,990,047.64-6,729,834.65

Finding the Fourth Proportional to 12,311,579.68, 16,990,047.64 and 6,729,834.65

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Solution

The fourth proportional to 12,311,579.68, 16,990,047.64 and 6,729,834.65 is: 9,287,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,579.68 : 16,990,047.64 = 6,729,834.65 : x
  2. Step 2: Convert to fraction form
    12,311,579.68/16,990,047.64 = 6,729,834.65/x
  3. Step 3: Cross multiply
    12,311,579.68x = 16,990,047.64 × 6,729,834.65
  4. Step 4: Simplify right side
    12,311,579.68x = 114,340,211,312,822.73
  5. Step 5: Solve for x
    x = 114,340,211,312,822.73/12,311,579.68
  6. Step 6: Final answer
    x = 9,287,208.81

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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.