Home / 10,694,087.60-16,041,131.40-3,121,818.80

Finding the Fourth Proportional to 10,694,087.60, 16,041,131.40 and 3,121,818.80

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Solution

The fourth proportional to 10,694,087.60, 16,041,131.40 and 3,121,818.80 is: 4,682,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694,087.60 : 16,041,131.40 = 3,121,818.80 : x
  2. Step 2: Convert to fraction form
    10,694,087.60/16,041,131.40 = 3,121,818.80/x
  3. Step 3: Cross multiply
    10,694,087.60x = 16,041,131.40 × 3,121,818.80
  4. Step 4: Simplify right side
    10,694,087.60x = 50,077,505,577,790.32
  5. Step 5: Solve for x
    x = 50,077,505,577,790.32/10,694,087.60
  6. Step 6: Final answer
    x = 4,682,728.20

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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.