Home / 15,726,417.20-21,694,131.78-10,823,126.48

Finding the Fourth Proportional to 15,726,417.20, 21,694,131.78 and 10,823,126.48

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Solution

The fourth proportional to 15,726,417.20, 21,694,131.78 and 10,823,126.48 is: 14,930,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,417.20 : 21,694,131.78 = 10,823,126.48 : x
  2. Step 2: Convert to fraction form
    15,726,417.20/21,694,131.78 = 10,823,126.48/x
  3. Step 3: Cross multiply
    15,726,417.20x = 21,694,131.78 × 10,823,126.48
  4. Step 4: Simplify right side
    15,726,417.20x = 234,798,332,128,727.56
  5. Step 5: Solve for x
    x = 234,798,332,128,727.56/15,726,417.20
  6. Step 6: Final answer
    x = 14,930,185.89

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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.