Home / 12,384,829.14-18,548,960.25-5,912,457.42

Finding the Fourth Proportional to 12,384,829.14, 18,548,960.25 and 5,912,457.42

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Solution

The fourth proportional to 12,384,829.14, 18,548,960.25 and 5,912,457.42 is: 8,855,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,829.14 : 18,548,960.25 = 5,912,457.42 : x
  2. Step 2: Convert to fraction form
    12,384,829.14/18,548,960.25 = 5,912,457.42/x
  3. Step 3: Cross multiply
    12,384,829.14x = 18,548,960.25 × 5,912,457.42
  4. Step 4: Simplify right side
    12,384,829.14x = 109,669,937,663,397.55
  5. Step 5: Solve for x
    x = 109,669,937,663,397.55/12,384,829.14
  6. Step 6: Final answer
    x = 8,855,183.74

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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.