Home / 20,485,603.76-30,730,473.96-6,651,984.08

Finding the Fourth Proportional to 20,485,603.76, 30,730,473.96 and 6,651,984.08

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Solution

The fourth proportional to 20,485,603.76, 30,730,473.96 and 6,651,984.08 is: 9,978,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,603.76 : 30,730,473.96 = 6,651,984.08 : x
  2. Step 2: Convert to fraction form
    20,485,603.76/30,730,473.96 = 6,651,984.08/x
  3. Step 3: Cross multiply
    20,485,603.76x = 30,730,473.96 × 6,651,984.08
  4. Step 4: Simplify right side
    20,485,603.76x = 204,418,623,399,122.19
  5. Step 5: Solve for x
    x = 204,418,623,399,122.19/20,485,603.76
  6. Step 6: Final answer
    x = 9,978,647.73

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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.