Home / 18,345,871.59-27,458,926.31-13,486,891.86

Finding the Fourth Proportional to 18,345,871.59, 27,458,926.31 and 13,486,891.86

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Solution

The fourth proportional to 18,345,871.59, 27,458,926.31 and 13,486,891.86 is: 20,186,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,871.59 : 27,458,926.31 = 13,486,891.86 : x
  2. Step 2: Convert to fraction form
    18,345,871.59/27,458,926.31 = 13,486,891.86/x
  3. Step 3: Cross multiply
    18,345,871.59x = 27,458,926.31 × 13,486,891.86
  4. Step 4: Simplify right side
    18,345,871.59x = 370,335,569,667,244.38
  5. Step 5: Solve for x
    x = 370,335,569,667,244.38/18,345,871.59
  6. Step 6: Final answer
    x = 20,186,316.46

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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.