Home / 10,691,971.80-16,041,629.70-3,120,048.60

Finding the Fourth Proportional to 10,691,971.80, 16,041,629.70 and 3,120,048.60

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Solution

The fourth proportional to 10,691,971.80, 16,041,629.70 and 3,120,048.60 is: 4,681,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,971.80 : 16,041,629.70 = 3,120,048.60 : x
  2. Step 2: Convert to fraction form
    10,691,971.80/16,041,629.70 = 3,120,048.60/x
  3. Step 3: Cross multiply
    10,691,971.80x = 16,041,629.70 × 3,120,048.60
  4. Step 4: Simplify right side
    10,691,971.80x = 50,050,664,287,203.42
  5. Step 5: Solve for x
    x = 50,050,664,287,203.42/10,691,971.80
  6. Step 6: Final answer
    x = 4,681,144.43

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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.