Home / 18,505,353.43-27,738,347.14-6,985,926.89

Finding the Fourth Proportional to 18,505,353.43, 27,738,347.14 and 6,985,926.89

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Solution

The fourth proportional to 18,505,353.43, 27,738,347.14 and 6,985,926.89 is: 10,471,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505,353.43 : 27,738,347.14 = 6,985,926.89 : x
  2. Step 2: Convert to fraction form
    18,505,353.43/27,738,347.14 = 6,985,926.89/x
  3. Step 3: Cross multiply
    18,505,353.43x = 27,738,347.14 × 6,985,926.89
  4. Step 4: Simplify right side
    18,505,353.43x = 193,778,065,013,324.03
  5. Step 5: Solve for x
    x = 193,778,065,013,324.03/18,505,353.43
  6. Step 6: Final answer
    x = 10,471,459.83

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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.