Home / 18,186,766.80-27,290,647.80-6,828,363.60

Finding the Fourth Proportional to 18,186,766.80, 27,290,647.80 and 6,828,363.60

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Solution

The fourth proportional to 18,186,766.80, 27,290,647.80 and 6,828,363.60 is: 10,246,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,766.80 : 27,290,647.80 = 6,828,363.60 : x
  2. Step 2: Convert to fraction form
    18,186,766.80/27,290,647.80 = 6,828,363.60/x
  3. Step 3: Cross multiply
    18,186,766.80x = 27,290,647.80 × 6,828,363.60
  4. Step 4: Simplify right side
    18,186,766.80x = 186,350,466,057,940.06
  5. Step 5: Solve for x
    x = 186,350,466,057,940.06/18,186,766.80
  6. Step 6: Final answer
    x = 10,246,486.81

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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.