Home / 12,347,621.90-18,522,132.70-3,829,169.42

Finding the Fourth Proportional to 12,347,621.90, 18,522,132.70 and 3,829,169.42

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Solution

The fourth proportional to 12,347,621.90, 18,522,132.70 and 3,829,169.42 is: 5,743,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,621.90 : 18,522,132.70 = 3,829,169.42 : x
  2. Step 2: Convert to fraction form
    12,347,621.90/18,522,132.70 = 3,829,169.42/x
  3. Step 3: Cross multiply
    12,347,621.90x = 18,522,132.70 × 3,829,169.42
  4. Step 4: Simplify right side
    12,347,621.90x = 70,924,384,128,022.03
  5. Step 5: Solve for x
    x = 70,924,384,128,022.03/12,347,621.90
  6. Step 6: Final answer
    x = 5,743,971.16

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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.