Home / 18,796,733.19-28,195,121.79-5,149,995.48

Finding the Fourth Proportional to 18,796,733.19, 28,195,121.79 and 5,149,995.48

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Solution

The fourth proportional to 18,796,733.19, 28,195,121.79 and 5,149,995.48 is: 7,724,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796,733.19 : 28,195,121.79 = 5,149,995.48 : x
  2. Step 2: Convert to fraction form
    18,796,733.19/28,195,121.79 = 5,149,995.48/x
  3. Step 3: Cross multiply
    18,796,733.19x = 28,195,121.79 × 5,149,995.48
  4. Step 4: Simplify right side
    18,796,733.19x = 145,204,749,776,549.53
  5. Step 5: Solve for x
    x = 145,204,749,776,549.53/18,796,733.19
  6. Step 6: Final answer
    x = 7,724,999.25

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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.