Home / 13,146,659.40-19,719,989.10-4,628,310.60

Finding the Fourth Proportional to 13,146,659.40, 19,719,989.10 and 4,628,310.60

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Solution

The fourth proportional to 13,146,659.40, 19,719,989.10 and 4,628,310.60 is: 6,942,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,659.40 : 19,719,989.10 = 4,628,310.60 : x
  2. Step 2: Convert to fraction form
    13,146,659.40/19,719,989.10 = 4,628,310.60/x
  3. Step 3: Cross multiply
    13,146,659.40x = 19,719,989.10 × 4,628,310.60
  4. Step 4: Simplify right side
    13,146,659.40x = 91,270,234,583,414.45
  5. Step 5: Solve for x
    x = 91,270,234,583,414.45/13,146,659.40
  6. Step 6: Final answer
    x = 6,942,465.90

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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.