Home / 13,260,286.58-18,274,187.86-11,617,995.38

Finding the Fourth Proportional to 13,260,286.58, 18,274,187.86 and 11,617,995.38

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Solution

The fourth proportional to 13,260,286.58, 18,274,187.86 and 11,617,995.38 is: 16,010,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,286.58 : 18,274,187.86 = 11,617,995.38 : x
  2. Step 2: Convert to fraction form
    13,260,286.58/18,274,187.86 = 11,617,995.38/x
  3. Step 3: Cross multiply
    13,260,286.58x = 18,274,187.86 × 11,617,995.38
  4. Step 4: Simplify right side
    13,260,286.58x = 212,309,430,010,316.19
  5. Step 5: Solve for x
    x = 212,309,430,010,316.19/13,260,286.58
  6. Step 6: Final answer
    x = 16,010,923.20

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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.