Home / 20,168,151.61-27,824,117.88-12,419,741.83

Finding the Fourth Proportional to 20,168,151.61, 27,824,117.88 and 12,419,741.83

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Solution

The fourth proportional to 20,168,151.61, 27,824,117.88 and 12,419,741.83 is: 17,134,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,151.61 : 27,824,117.88 = 12,419,741.83 : x
  2. Step 2: Convert to fraction form
    20,168,151.61/27,824,117.88 = 12,419,741.83/x
  3. Step 3: Cross multiply
    20,168,151.61x = 27,824,117.88 × 12,419,741.83
  4. Step 4: Simplify right side
    20,168,151.61x = 345,568,360,717,086.94
  5. Step 5: Solve for x
    x = 345,568,360,717,086.94/20,168,151.61
  6. Step 6: Final answer
    x = 17,134,359.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.