Home / 11,968,821.48-17,979,804.27-7,423,229.46

Finding the Fourth Proportional to 11,968,821.48, 17,979,804.27 and 7,423,229.46

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Solution

The fourth proportional to 11,968,821.48, 17,979,804.27 and 7,423,229.46 is: 11,151,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968,821.48 : 17,979,804.27 = 7,423,229.46 : x
  2. Step 2: Convert to fraction form
    11,968,821.48/17,979,804.27 = 7,423,229.46/x
  3. Step 3: Cross multiply
    11,968,821.48x = 17,979,804.27 × 7,423,229.46
  4. Step 4: Simplify right side
    11,968,821.48x = 133,468,212,742,097.80
  5. Step 5: Solve for x
    x = 133,468,212,742,097.80/11,968,821.48
  6. Step 6: Final answer
    x = 11,151,324.54

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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.