Home / 7,222,869.54-9,967,558.56-3,959,707.38

Finding the Fourth Proportional to 7,222,869.54, 9,967,558.56 and 3,959,707.38

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Solution

The fourth proportional to 7,222,869.54, 9,967,558.56 and 3,959,707.38 is: 5,464,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,869.54 : 9,967,558.56 = 3,959,707.38 : x
  2. Step 2: Convert to fraction form
    7,222,869.54/9,967,558.56 = 3,959,707.38/x
  3. Step 3: Cross multiply
    7,222,869.54x = 9,967,558.56 × 3,959,707.38
  4. Step 4: Simplify right side
    7,222,869.54x = 39,468,615,190,614.17
  5. Step 5: Solve for x
    x = 39,468,615,190,614.17/7,222,869.54
  6. Step 6: Final answer
    x = 5,464,395.41

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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.