Home / 18,186,620.80-27,290,428.80-6,828,217.60

Finding the Fourth Proportional to 18,186,620.80, 27,290,428.80 and 6,828,217.60

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Solution

The fourth proportional to 18,186,620.80, 27,290,428.80 and 6,828,217.60 is: 10,246,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,620.80 : 27,290,428.80 = 6,828,217.60 : x
  2. Step 2: Convert to fraction form
    18,186,620.80/27,290,428.80 = 6,828,217.60/x
  3. Step 3: Cross multiply
    18,186,620.80x = 27,290,428.80 × 6,828,217.60
  4. Step 4: Simplify right side
    18,186,620.80x = 186,344,986,243,706.88
  5. Step 5: Solve for x
    x = 186,344,986,243,706.88/18,186,620.80
  6. Step 6: Final answer
    x = 10,246,267.75

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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.