Home / 9,728,383.66-13,425,172.37-5,318,128.47

Finding the Fourth Proportional to 9,728,383.66, 13,425,172.37 and 5,318,128.47

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Solution

The fourth proportional to 9,728,383.66, 13,425,172.37 and 5,318,128.47 is: 7,339,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728,383.66 : 13,425,172.37 = 5,318,128.47 : x
  2. Step 2: Convert to fraction form
    9,728,383.66/13,425,172.37 = 5,318,128.47/x
  3. Step 3: Cross multiply
    9,728,383.66x = 13,425,172.37 × 5,318,128.47
  4. Step 4: Simplify right side
    9,728,383.66x = 71,396,791,395,554.36
  5. Step 5: Solve for x
    x = 71,396,791,395,554.36/9,728,383.66
  6. Step 6: Final answer
    x = 7,339,018.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.