Home / 11,968,822.98-17,979,806.52-7,423,230.96

Finding the Fourth Proportional to 11,968,822.98, 17,979,806.52 and 7,423,230.96

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Solution

The fourth proportional to 11,968,822.98, 17,979,806.52 and 7,423,230.96 is: 11,151,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968,822.98 : 17,979,806.52 = 7,423,230.96 : x
  2. Step 2: Convert to fraction form
    11,968,822.98/17,979,806.52 = 7,423,230.96/x
  3. Step 3: Cross multiply
    11,968,822.98x = 17,979,806.52 × 7,423,230.96
  4. Step 4: Simplify right side
    11,968,822.98x = 133,468,256,414,073.86
  5. Step 5: Solve for x
    x = 133,468,256,414,073.86/11,968,822.98
  6. Step 6: Final answer
    x = 11,151,326.80

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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.