Home / 15,178,550.94-20,946,896.75-8,652,061.82

Finding the Fourth Proportional to 15,178,550.94, 20,946,896.75 and 8,652,061.82

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Solution

The fourth proportional to 15,178,550.94, 20,946,896.75 and 8,652,061.82 is: 11,940,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,550.94 : 20,946,896.75 = 8,652,061.82 : x
  2. Step 2: Convert to fraction form
    15,178,550.94/20,946,896.75 = 8,652,061.82/x
  3. Step 3: Cross multiply
    15,178,550.94x = 20,946,896.75 × 8,652,061.82
  4. Step 4: Simplify right side
    15,178,550.94x = 181,233,845,618,157.09
  5. Step 5: Solve for x
    x = 181,233,845,618,157.09/15,178,550.94
  6. Step 6: Final answer
    x = 11,940,128.30

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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.