Home / 8,270,704.20-12,404,420.87-7,860,570.44

Finding the Fourth Proportional to 8,270,704.20, 12,404,420.87 and 7,860,570.44

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Solution

The fourth proportional to 8,270,704.20, 12,404,420.87 and 7,860,570.44 is: 11,789,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,704.20 : 12,404,420.87 = 7,860,570.44 : x
  2. Step 2: Convert to fraction form
    8,270,704.20/12,404,420.87 = 7,860,570.44/x
  3. Step 3: Cross multiply
    8,270,704.20x = 12,404,420.87 × 7,860,570.44
  4. Step 4: Simplify right side
    8,270,704.20x = 97,505,824,016,041.08
  5. Step 5: Solve for x
    x = 97,505,824,016,041.08/8,270,704.20
  6. Step 6: Final answer
    x = 11,789,301.33

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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.