Home / 18,587,163.42-27,869,919.48-7,214,326.02

Finding the Fourth Proportional to 18,587,163.42, 27,869,919.48 and 7,214,326.02

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Solution

The fourth proportional to 18,587,163.42, 27,869,919.48 and 7,214,326.02 is: 10,817,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,163.42 : 27,869,919.48 = 7,214,326.02 : x
  2. Step 2: Convert to fraction form
    18,587,163.42/27,869,919.48 = 7,214,326.02/x
  3. Step 3: Cross multiply
    18,587,163.42x = 27,869,919.48 × 7,214,326.02
  4. Step 4: Simplify right side
    18,587,163.42x = 201,062,685,279,868.88
  5. Step 5: Solve for x
    x = 201,062,685,279,868.88/18,587,163.42
  6. Step 6: Final answer
    x = 10,817,287.22

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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.