Home / 18,816,824.83-25,976,342.04-12,619,604.60

Finding the Fourth Proportional to 18,816,824.83, 25,976,342.04 and 12,619,604.60

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Solution

The fourth proportional to 18,816,824.83, 25,976,342.04 and 12,619,604.60 is: 17,421,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,824.83 : 25,976,342.04 = 12,619,604.60 : x
  2. Step 2: Convert to fraction form
    18,816,824.83/25,976,342.04 = 12,619,604.60/x
  3. Step 3: Cross multiply
    18,816,824.83x = 25,976,342.04 × 12,619,604.60
  4. Step 4: Simplify right side
    18,816,824.83x = 327,811,165,306,177.69
  5. Step 5: Solve for x
    x = 327,811,165,306,177.69/18,816,824.83
  6. Step 6: Final answer
    x = 17,421,173.25

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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.