Home / 15,301,471.46-21,116,028.58-8,425,936.58

Finding the Fourth Proportional to 15,301,471.46, 21,116,028.58 and 8,425,936.58

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Solution

The fourth proportional to 15,301,471.46, 21,116,028.58 and 8,425,936.58 is: 11,627,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,471.46 : 21,116,028.58 = 8,425,936.58 : x
  2. Step 2: Convert to fraction form
    15,301,471.46/21,116,028.58 = 8,425,936.58/x
  3. Step 3: Cross multiply
    15,301,471.46x = 21,116,028.58 × 8,425,936.58
  4. Step 4: Simplify right side
    15,301,471.46x = 177,922,317,509,902.47
  5. Step 5: Solve for x
    x = 177,922,317,509,902.47/15,301,471.46
  6. Step 6: Final answer
    x = 11,627,791.36

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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.