Home / 11,702,990.85-16,143,065.55-7,729,286.37

Finding the Fourth Proportional to 11,702,990.85, 16,143,065.55 and 7,729,286.37

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Solution

The fourth proportional to 11,702,990.85, 16,143,065.55 and 7,729,286.37 is: 10,661,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,990.85 : 16,143,065.55 = 7,729,286.37 : x
  2. Step 2: Convert to fraction form
    11,702,990.85/16,143,065.55 = 7,729,286.37/x
  3. Step 3: Cross multiply
    11,702,990.85x = 16,143,065.55 × 7,729,286.37
  4. Step 4: Simplify right side
    11,702,990.85x = 124,774,376,525,631.56
  5. Step 5: Solve for x
    x = 124,774,376,525,631.56/11,702,990.85
  6. Step 6: Final answer
    x = 10,661,751.18

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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.