Home / 8,102,190.89-12,140,862.01-5,505,188.16

Finding the Fourth Proportional to 8,102,190.89, 12,140,862.01 and 5,505,188.16

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Solution

The fourth proportional to 8,102,190.89, 12,140,862.01 and 5,505,188.16 is: 8,249,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,190.89 : 12,140,862.01 = 5,505,188.16 : x
  2. Step 2: Convert to fraction form
    8,102,190.89/12,140,862.01 = 5,505,188.16/x
  3. Step 3: Cross multiply
    8,102,190.89x = 12,140,862.01 × 5,505,188.16
  4. Step 4: Simplify right side
    8,102,190.89x = 66,837,729,753,118.72
  5. Step 5: Solve for x
    x = 66,837,729,753,118.72/8,102,190.89
  6. Step 6: Final answer
    x = 8,249,340.29

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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.