Home / 20,747,306.94-28,628,642.07-11,580,336.06

Finding the Fourth Proportional to 20,747,306.94, 28,628,642.07 and 11,580,336.06

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Solution

The fourth proportional to 20,747,306.94, 28,628,642.07 and 11,580,336.06 is: 15,979,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,306.94 : 28,628,642.07 = 11,580,336.06 : x
  2. Step 2: Convert to fraction form
    20,747,306.94/28,628,642.07 = 11,580,336.06/x
  3. Step 3: Cross multiply
    20,747,306.94x = 28,628,642.07 × 11,580,336.06
  4. Step 4: Simplify right side
    20,747,306.94x = 331,529,296,112,054.06
  5. Step 5: Solve for x
    x = 331,529,296,112,054.06/20,747,306.94
  6. Step 6: Final answer
    x = 15,979,389.38

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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.