Home / 20,601,922.59-30,905,716.77-7,646,972.49

Finding the Fourth Proportional to 20,601,922.59, 30,905,716.77 and 7,646,972.49

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Solution

The fourth proportional to 20,601,922.59, 30,905,716.77 and 7,646,972.49 is: 11,471,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601,922.59 : 30,905,716.77 = 7,646,972.49 : x
  2. Step 2: Convert to fraction form
    20,601,922.59/30,905,716.77 = 7,646,972.49/x
  3. Step 3: Cross multiply
    20,601,922.59x = 30,905,716.77 × 7,646,972.49
  4. Step 4: Simplify right side
    20,601,922.59x = 236,335,165,923,921.66
  5. Step 5: Solve for x
    x = 236,335,165,923,921.66/20,601,922.59
  6. Step 6: Final answer
    x = 11,471,510.24

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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.