Home / 9,481,991.37-13,085,182.54-5,131,077.21

Finding the Fourth Proportional to 9,481,991.37, 13,085,182.54 and 5,131,077.21

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Solution

The fourth proportional to 9,481,991.37, 13,085,182.54 and 5,131,077.21 is: 7,080,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481,991.37 : 13,085,182.54 = 5,131,077.21 : x
  2. Step 2: Convert to fraction form
    9,481,991.37/13,085,182.54 = 5,131,077.21/x
  3. Step 3: Cross multiply
    9,481,991.37x = 13,085,182.54 × 5,131,077.21
  4. Step 4: Simplify right side
    9,481,991.37x = 67,141,081,874,865.79
  5. Step 5: Solve for x
    x = 67,141,081,874,865.79/9,481,991.37
  6. Step 6: Final answer
    x = 7,080,905.19

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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.