Home / 18,693,602.20-28,040,403.30-17,811,803.80

Finding the Fourth Proportional to 18,693,602.20, 28,040,403.30 and 17,811,803.80

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Solution

The fourth proportional to 18,693,602.20, 28,040,403.30 and 17,811,803.80 is: 26,717,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,602.20 : 28,040,403.30 = 17,811,803.80 : x
  2. Step 2: Convert to fraction form
    18,693,602.20/28,040,403.30 = 17,811,803.80/x
  3. Step 3: Cross multiply
    18,693,602.20x = 28,040,403.30 × 17,811,803.80
  4. Step 4: Simplify right side
    18,693,602.20x = 499,450,162,052,472.56
  5. Step 5: Solve for x
    x = 499,450,162,052,472.56/18,693,602.20
  6. Step 6: Final answer
    x = 26,717,705.70

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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.