Home / 20,185,682.04-30,267,882.72-8,812,844.64

Finding the Fourth Proportional to 20,185,682.04, 30,267,882.72 and 8,812,844.64

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Solution

The fourth proportional to 20,185,682.04, 30,267,882.72 and 8,812,844.64 is: 13,214,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,682.04 : 30,267,882.72 = 8,812,844.64 : x
  2. Step 2: Convert to fraction form
    20,185,682.04/30,267,882.72 = 8,812,844.64/x
  3. Step 3: Cross multiply
    20,185,682.04x = 30,267,882.72 × 8,812,844.64
  4. Step 4: Simplify right side
    20,185,682.04x = 266,746,147,993,100.62
  5. Step 5: Solve for x
    x = 266,746,147,993,100.62/20,185,682.04
  6. Step 6: Final answer
    x = 13,214,621.51

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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.