Home / 18,722,721.80-25,837,391.20-10,462,784.13

Finding the Fourth Proportional to 18,722,721.80, 25,837,391.20 and 10,462,784.13

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Solution

The fourth proportional to 18,722,721.80, 25,837,391.20 and 10,462,784.13 is: 14,438,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,721.80 : 25,837,391.20 = 10,462,784.13 : x
  2. Step 2: Convert to fraction form
    18,722,721.80/25,837,391.20 = 10,462,784.13/x
  3. Step 3: Cross multiply
    18,722,721.80x = 25,837,391.20 × 10,462,784.13
  4. Step 4: Simplify right side
    18,722,721.80x = 270,331,046,607,961.66
  5. Step 5: Solve for x
    x = 270,331,046,607,961.66/18,722,721.80
  6. Step 6: Final answer
    x = 14,438,661.72

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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.