Home / 12,505,811.20-18,730,723.20-7,466,963.20

Finding the Fourth Proportional to 12,505,811.20, 18,730,723.20 and 7,466,963.20

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Solution

The fourth proportional to 12,505,811.20, 18,730,723.20 and 7,466,963.20 is: 11,183,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,811.20 : 18,730,723.20 = 7,466,963.20 : x
  2. Step 2: Convert to fraction form
    12,505,811.20/18,730,723.20 = 7,466,963.20/x
  3. Step 3: Cross multiply
    12,505,811.20x = 18,730,723.20 × 7,466,963.20
  4. Step 4: Simplify right side
    12,505,811.20x = 139,861,620,843,786.23
  5. Step 5: Solve for x
    x = 139,861,620,843,786.23/12,505,811.20
  6. Step 6: Final answer
    x = 11,183,730.40

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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.