Home / 31,725,821-43,781,895.42-17,239,133

Finding the Fourth Proportional to 31,725,821, 43,781,895.42 and 17,239,133

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Solution

The fourth proportional to 31,725,821, 43,781,895.42 and 17,239,133 is: 23,790,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725,821 : 43,781,895.42 = 17,239,133 : x
  2. Step 2: Convert to fraction form
    31,725,821/43,781,895.42 = 17,239,133/x
  3. Step 3: Cross multiply
    31,725,821x = 43,781,895.42 × 17,239,133
  4. Step 4: Simplify right side
    31,725,821x = 754,761,918,137,470.88
  5. Step 5: Solve for x
    x = 754,761,918,137,470.88/31,725,821
  6. Step 6: Final answer
    x = 23,790,146.14

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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.