Home / 20,185,995.03-30,268,352.79-8,813,157.63

Finding the Fourth Proportional to 20,185,995.03, 30,268,352.79 and 8,813,157.63

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Solution

The fourth proportional to 20,185,995.03, 30,268,352.79 and 8,813,157.63 is: 13,215,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,995.03 : 30,268,352.79 = 8,813,157.63 : x
  2. Step 2: Convert to fraction form
    20,185,995.03/30,268,352.79 = 8,813,157.63/x
  3. Step 3: Cross multiply
    20,185,995.03x = 30,268,352.79 × 8,813,157.63
  4. Step 4: Simplify right side
    20,185,995.03x = 266,759,764,338,720.31
  5. Step 5: Solve for x
    x = 266,759,764,338,720.31/20,185,995.03
  6. Step 6: Final answer
    x = 13,215,091.15

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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.