Home / 20,796,832.52-31,198,087.42-8,663,457.84

Finding the Fourth Proportional to 20,796,832.52, 31,198,087.42 and 8,663,457.84

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Solution

The fourth proportional to 20,796,832.52, 31,198,087.42 and 8,663,457.84 is: 12,996,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796,832.52 : 31,198,087.42 = 8,663,457.84 : x
  2. Step 2: Convert to fraction form
    20,796,832.52/31,198,087.42 = 8,663,457.84/x
  3. Step 3: Cross multiply
    20,796,832.52x = 31,198,087.42 × 8,663,457.84
  4. Step 4: Simplify right side
    20,796,832.52x = 270,283,315,051,804.38
  5. Step 5: Solve for x
    x = 270,283,315,051,804.38/20,796,832.52
  6. Step 6: Final answer
    x = 12,996,369.27

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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.