Home / 18,668,863.20-27,970,117.20-16,014,655.20

Finding the Fourth Proportional to 18,668,863.20, 27,970,117.20 and 16,014,655.20

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Solution

The fourth proportional to 18,668,863.20, 27,970,117.20 and 16,014,655.20 is: 23,993,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,863.20 : 27,970,117.20 = 16,014,655.20 : x
  2. Step 2: Convert to fraction form
    18,668,863.20/27,970,117.20 = 16,014,655.20/x
  3. Step 3: Cross multiply
    18,668,863.20x = 27,970,117.20 × 16,014,655.20
  4. Step 4: Simplify right side
    18,668,863.20x = 447,931,782,861,589.44
  5. Step 5: Solve for x
    x = 447,931,782,861,589.44/18,668,863.20
  6. Step 6: Final answer
    x = 23,993,522.16

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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.