Home / 20,558,677.94-30,816,209.56-9,619,651.13

Finding the Fourth Proportional to 20,558,677.94, 30,816,209.56 and 9,619,651.13

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Solution

The fourth proportional to 20,558,677.94, 30,816,209.56 and 9,619,651.13 is: 14,419,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558,677.94 : 30,816,209.56 = 9,619,651.13 : x
  2. Step 2: Convert to fraction form
    20,558,677.94/30,816,209.56 = 9,619,651.13/x
  3. Step 3: Cross multiply
    20,558,677.94x = 30,816,209.56 × 9,619,651.13
  4. Step 4: Simplify right side
    20,558,677.94x = 296,441,185,015,081.12
  5. Step 5: Solve for x
    x = 296,441,185,015,081.12/20,558,677.94
  6. Step 6: Final answer
    x = 14,419,272.77

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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.