Home / 33,986,430.90-50,972,561.55-12,431,186.10

Finding the Fourth Proportional to 33,986,430.90, 50,972,561.55 and 12,431,186.10

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Solution

The fourth proportional to 33,986,430.90, 50,972,561.55 and 12,431,186.10 is: 18,644,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986,430.90 : 50,972,561.55 = 12,431,186.10 : x
  2. Step 2: Convert to fraction form
    33,986,430.90/50,972,561.55 = 12,431,186.10/x
  3. Step 3: Cross multiply
    33,986,430.90x = 50,972,561.55 × 12,431,186.10
  4. Step 4: Simplify right side
    33,986,430.90x = 633,649,398,621,754.38
  5. Step 5: Solve for x
    x = 633,649,398,621,754.38/33,986,430.90
  6. Step 6: Final answer
    x = 18,644,187.75

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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.