Home / 15,231,192.64-21,022,796.56-9,352,235.57

Finding the Fourth Proportional to 15,231,192.64, 21,022,796.56 and 9,352,235.57

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Solution

The fourth proportional to 15,231,192.64, 21,022,796.56 and 9,352,235.57 is: 12,908,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231,192.64 : 21,022,796.56 = 9,352,235.57 : x
  2. Step 2: Convert to fraction form
    15,231,192.64/21,022,796.56 = 9,352,235.57/x
  3. Step 3: Cross multiply
    15,231,192.64x = 21,022,796.56 × 9,352,235.57
  4. Step 4: Simplify right side
    15,231,192.64x = 196,610,145,782,355.25
  5. Step 5: Solve for x
    x = 196,610,145,782,355.25/15,231,192.64
  6. Step 6: Final answer
    x = 12,908,388.09

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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.