Home / 7,131,571.18-9,843,324.38-4,378,918.20

Finding the Fourth Proportional to 7,131,571.18, 9,843,324.38 and 4,378,918.20

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Solution

The fourth proportional to 7,131,571.18, 9,843,324.38 and 4,378,918.20 is: 6,043,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,571.18 : 9,843,324.38 = 4,378,918.20 : x
  2. Step 2: Convert to fraction form
    7,131,571.18/9,843,324.38 = 4,378,918.20/x
  3. Step 3: Cross multiply
    7,131,571.18x = 9,843,324.38 × 4,378,918.20
  4. Step 4: Simplify right side
    7,131,571.18x = 43,103,112,276,085.72
  5. Step 5: Solve for x
    x = 43,103,112,276,085.72/7,131,571.18
  6. Step 6: Final answer
    x = 6,043,985.43

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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.