Home / 18,540,329.40-27,790,811.10-8,949,459.60

Finding the Fourth Proportional to 18,540,329.40, 27,790,811.10 and 8,949,459.60

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Solution

The fourth proportional to 18,540,329.40, 27,790,811.10 and 8,949,459.60 is: 13,414,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,329.40 : 27,790,811.10 = 8,949,459.60 : x
  2. Step 2: Convert to fraction form
    18,540,329.40/27,790,811.10 = 8,949,459.60/x
  3. Step 3: Cross multiply
    18,540,329.40x = 27,790,811.10 × 8,949,459.60
  4. Step 4: Simplify right side
    18,540,329.40x = 248,712,741,190,681.56
  5. Step 5: Solve for x
    x = 248,712,741,190,681.56/18,540,329.40
  6. Step 6: Final answer
    x = 13,414,688.37

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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.