Home / 12,074,473.80-18,111,710.70-10,880,080.20

Finding the Fourth Proportional to 12,074,473.80, 18,111,710.70 and 10,880,080.20

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Solution

The fourth proportional to 12,074,473.80, 18,111,710.70 and 10,880,080.20 is: 16,320,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,473.80 : 18,111,710.70 = 10,880,080.20 : x
  2. Step 2: Convert to fraction form
    12,074,473.80/18,111,710.70 = 10,880,080.20/x
  3. Step 3: Cross multiply
    12,074,473.80x = 18,111,710.70 × 10,880,080.20
  4. Step 4: Simplify right side
    12,074,473.80x = 197,056,864,975,198.12
  5. Step 5: Solve for x
    x = 197,056,864,975,198.12/12,074,473.80
  6. Step 6: Final answer
    x = 16,320,120.30

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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.