Home / 27,217,891.80-40,826,837.70-20,499,427.80

Finding the Fourth Proportional to 27,217,891.80, 40,826,837.70 and 20,499,427.80

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Solution

The fourth proportional to 27,217,891.80, 40,826,837.70 and 20,499,427.80 is: 30,749,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,891.80 : 40,826,837.70 = 20,499,427.80 : x
  2. Step 2: Convert to fraction form
    27,217,891.80/40,826,837.70 = 20,499,427.80/x
  3. Step 3: Cross multiply
    27,217,891.80x = 40,826,837.70 × 20,499,427.80
  4. Step 4: Simplify right side
    27,217,891.80x = 836,926,811,733,468.12
  5. Step 5: Solve for x
    x = 836,926,811,733,468.12/27,217,891.80
  6. Step 6: Final answer
    x = 30,749,141.70

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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.