Home / 18,528,048.20-27,792,072.30-6,561,993.80

Finding the Fourth Proportional to 18,528,048.20, 27,792,072.30 and 6,561,993.80

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Solution

The fourth proportional to 18,528,048.20, 27,792,072.30 and 6,561,993.80 is: 9,842,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,048.20 : 27,792,072.30 = 6,561,993.80 : x
  2. Step 2: Convert to fraction form
    18,528,048.20/27,792,072.30 = 6,561,993.80/x
  3. Step 3: Cross multiply
    18,528,048.20x = 27,792,072.30 × 6,561,993.80
  4. Step 4: Simplify right side
    18,528,048.20x = 182,371,406,121,751.75
  5. Step 5: Solve for x
    x = 182,371,406,121,751.75/18,528,048.20
  6. Step 6: Final answer
    x = 9,842,990.70

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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.