Home / 18,388,045.80-27,597,815.10-8,168,632.20

Finding the Fourth Proportional to 18,388,045.80, 27,597,815.10 and 8,168,632.20

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Solution

The fourth proportional to 18,388,045.80, 27,597,815.10 and 8,168,632.20 is: 12,259,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,045.80 : 27,597,815.10 = 8,168,632.20 : x
  2. Step 2: Convert to fraction form
    18,388,045.80/27,597,815.10 = 8,168,632.20/x
  3. Step 3: Cross multiply
    18,388,045.80x = 27,597,815.10 × 8,168,632.20
  4. Step 4: Simplify right side
    18,388,045.80x = 225,436,401,075,506.25
  5. Step 5: Solve for x
    x = 225,436,401,075,506.25/18,388,045.80
  6. Step 6: Final answer
    x = 12,259,943.42

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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.