Home / 20,757,742.73-31,139,585.58-6,382,017.44

Finding the Fourth Proportional to 20,757,742.73, 31,139,585.58 and 6,382,017.44

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Solution

The fourth proportional to 20,757,742.73, 31,139,585.58 and 6,382,017.44 is: 9,573,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,742.73 : 31,139,585.58 = 6,382,017.44 : x
  2. Step 2: Convert to fraction form
    20,757,742.73/31,139,585.58 = 6,382,017.44/x
  3. Step 3: Cross multiply
    20,757,742.73x = 31,139,585.58 × 6,382,017.44
  4. Step 4: Simplify right side
    20,757,742.73x = 198,733,378,090,234.56
  5. Step 5: Solve for x
    x = 198,733,378,090,234.56/20,757,742.73
  6. Step 6: Final answer
    x = 9,573,939.74

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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.