Home / 20,647,069.08-30,968,593.02-6,270,261.36

Finding the Fourth Proportional to 20,647,069.08, 30,968,593.02 and 6,270,261.36

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Solution

The fourth proportional to 20,647,069.08, 30,968,593.02 and 6,270,261.36 is: 9,404,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,647,069.08 : 30,968,593.02 = 6,270,261.36 : x
  2. Step 2: Convert to fraction form
    20,647,069.08/30,968,593.02 = 6,270,261.36/x
  3. Step 3: Cross multiply
    20,647,069.08x = 30,968,593.02 × 6,270,261.36
  4. Step 4: Simplify right side
    20,647,069.08x = 194,181,172,186,871.72
  5. Step 5: Solve for x
    x = 194,181,172,186,871.72/20,647,069.08
  6. Step 6: Final answer
    x = 9,404,781.45

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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.