Home / 20,419,864.37-30,611,257.54-10,187,853.65

Finding the Fourth Proportional to 20,419,864.37, 30,611,257.54 and 10,187,853.65

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Solution

The fourth proportional to 20,419,864.37, 30,611,257.54 and 10,187,853.65 is: 15,272,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419,864.37 : 30,611,257.54 = 10,187,853.65 : x
  2. Step 2: Convert to fraction form
    20,419,864.37/30,611,257.54 = 10,187,853.65/x
  3. Step 3: Cross multiply
    20,419,864.37x = 30,611,257.54 × 10,187,853.65
  4. Step 4: Simplify right side
    20,419,864.37x = 311,863,011,681,453.12
  5. Step 5: Solve for x
    x = 311,863,011,681,453.12/20,419,864.37
  6. Step 6: Final answer
    x = 15,272,531.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.