Home / 11,881,554.32-17,819,477.84-5,485,661.48

Finding the Fourth Proportional to 11,881,554.32, 17,819,477.84 and 5,485,661.48

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Solution

The fourth proportional to 11,881,554.32, 17,819,477.84 and 5,485,661.48 is: 8,227,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,554.32 : 17,819,477.84 = 5,485,661.48 : x
  2. Step 2: Convert to fraction form
    11,881,554.32/17,819,477.84 = 5,485,661.48/x
  3. Step 3: Cross multiply
    11,881,554.32x = 17,819,477.84 × 5,485,661.48
  4. Step 4: Simplify right side
    11,881,554.32x = 97,751,623,180,601.61
  5. Step 5: Solve for x
    x = 97,751,623,180,601.61/11,881,554.32
  6. Step 6: Final answer
    x = 8,227,174.71

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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.