Home / 15,980,896.05-22,051,990.83-11,796,806.93

Finding the Fourth Proportional to 15,980,896.05, 22,051,990.83 and 11,796,806.93

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Solution

The fourth proportional to 15,980,896.05, 22,051,990.83 and 11,796,806.93 is: 16,278,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980,896.05 : 22,051,990.83 = 11,796,806.93 : x
  2. Step 2: Convert to fraction form
    15,980,896.05/22,051,990.83 = 11,796,806.93/x
  3. Step 3: Cross multiply
    15,980,896.05x = 22,051,990.83 × 11,796,806.93
  4. Step 4: Simplify right side
    15,980,896.05x = 260,143,078,243,640.44
  5. Step 5: Solve for x
    x = 260,143,078,243,640.44/15,980,896.05
  6. Step 6: Final answer
    x = 16,278,378.72

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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.