Home / 20,137,267.44-27,789,178.68-10,969,713.36

Finding the Fourth Proportional to 20,137,267.44, 27,789,178.68 and 10,969,713.36

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Solution

The fourth proportional to 20,137,267.44, 27,789,178.68 and 10,969,713.36 is: 15,138,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,267.44 : 27,789,178.68 = 10,969,713.36 : x
  2. Step 2: Convert to fraction form
    20,137,267.44/27,789,178.68 = 10,969,713.36/x
  3. Step 3: Cross multiply
    20,137,267.44x = 27,789,178.68 × 10,969,713.36
  4. Step 4: Simplify right side
    20,137,267.44x = 304,839,324,629,423.12
  5. Step 5: Solve for x
    x = 304,839,324,629,423.12/20,137,267.44
  6. Step 6: Final answer
    x = 15,138,068.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.