Home / 12,485,080.80-18,727,621.20-6,107,788.80

Finding the Fourth Proportional to 12,485,080.80, 18,727,621.20 and 6,107,788.80

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Solution

The fourth proportional to 12,485,080.80, 18,727,621.20 and 6,107,788.80 is: 9,161,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,080.80 : 18,727,621.20 = 6,107,788.80 : x
  2. Step 2: Convert to fraction form
    12,485,080.80/18,727,621.20 = 6,107,788.80/x
  3. Step 3: Cross multiply
    12,485,080.80x = 18,727,621.20 × 6,107,788.80
  4. Step 4: Simplify right side
    12,485,080.80x = 114,384,355,016,002.55
  5. Step 5: Solve for x
    x = 114,384,355,016,002.55/12,485,080.80
  6. Step 6: Final answer
    x = 9,161,683.20

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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.