Home / 12,322,076.80-18,447,685.80-11,967,782.80

Finding the Fourth Proportional to 12,322,076.80, 18,447,685.80 and 11,967,782.80

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Solution

The fourth proportional to 12,322,076.80, 18,447,685.80 and 11,967,782.80 is: 17,917,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,076.80 : 18,447,685.80 = 11,967,782.80 : x
  2. Step 2: Convert to fraction form
    12,322,076.80/18,447,685.80 = 11,967,782.80/x
  3. Step 3: Cross multiply
    12,322,076.80x = 18,447,685.80 × 11,967,782.80
  4. Step 4: Simplify right side
    12,322,076.80x = 220,777,896,817,044.25
  5. Step 5: Solve for x
    x = 220,777,896,817,044.25/12,322,076.80
  6. Step 6: Final answer
    x = 17,917,263.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.