Home / 11,003,142.80-16,488,967.80-8,101,868.60

Finding the Fourth Proportional to 11,003,142.80, 16,488,967.80 and 8,101,868.60

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Solution

The fourth proportional to 11,003,142.80, 16,488,967.80 and 8,101,868.60 is: 12,141,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003,142.80 : 16,488,967.80 = 8,101,868.60 : x
  2. Step 2: Convert to fraction form
    11,003,142.80/16,488,967.80 = 8,101,868.60/x
  3. Step 3: Cross multiply
    11,003,142.80x = 16,488,967.80 × 8,101,868.60
  4. Step 4: Simplify right side
    11,003,142.80x = 133,591,450,465,231.08
  5. Step 5: Solve for x
    x = 133,591,450,465,231.08/11,003,142.80
  6. Step 6: Final answer
    x = 12,141,208.46

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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.