Home / 18,345,876.09-27,458,933.04-13,486,896.36

Finding the Fourth Proportional to 18,345,876.09, 27,458,933.04 and 13,486,896.36

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Solution

The fourth proportional to 18,345,876.09, 27,458,933.04 and 13,486,896.36 is: 20,186,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,876.09 : 27,458,933.04 = 13,486,896.36 : x
  2. Step 2: Convert to fraction form
    18,345,876.09/27,458,933.04 = 13,486,896.36/x
  3. Step 3: Cross multiply
    18,345,876.09x = 27,458,933.04 × 13,486,896.36
  4. Step 4: Simplify right side
    18,345,876.09x = 370,335,784,066,659.69
  5. Step 5: Solve for x
    x = 370,335,784,066,659.69/18,345,876.09
  6. Step 6: Final answer
    x = 20,186,323.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.