Home / 13,106,043.70-18,086,424.27-7,305,193.27

Finding the Fourth Proportional to 13,106,043.70, 18,086,424.27 and 7,305,193.27

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Solution

The fourth proportional to 13,106,043.70, 18,086,424.27 and 7,305,193.27 is: 10,081,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,043.70 : 18,086,424.27 = 7,305,193.27 : x
  2. Step 2: Convert to fraction form
    13,106,043.70/18,086,424.27 = 7,305,193.27/x
  3. Step 3: Cross multiply
    13,106,043.70x = 18,086,424.27 × 7,305,193.27
  4. Step 4: Simplify right side
    13,106,043.70x = 132,124,824,855,568.66
  5. Step 5: Solve for x
    x = 132,124,824,855,568.66/13,106,043.70
  6. Step 6: Final answer
    x = 10,081,213.51

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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.