Home / 13,106,042.70-18,086,422.89-7,305,192.27

Finding the Fourth Proportional to 13,106,042.70, 18,086,422.89 and 7,305,192.27

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Solution

The fourth proportional to 13,106,042.70, 18,086,422.89 and 7,305,192.27 is: 10,081,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,042.70 : 18,086,422.89 = 7,305,192.27 : x
  2. Step 2: Convert to fraction form
    13,106,042.70/18,086,422.89 = 7,305,192.27/x
  3. Step 3: Cross multiply
    13,106,042.70x = 18,086,422.89 × 7,305,192.27
  4. Step 4: Simplify right side
    13,106,042.70x = 132,124,796,687,979.06
  5. Step 5: Solve for x
    x = 132,124,796,687,979.06/13,106,042.70
  6. Step 6: Final answer
    x = 10,081,212.13

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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.