Home / 12,298,614.60-18,447,921.90-6,629,910.60

Finding the Fourth Proportional to 12,298,614.60, 18,447,921.90 and 6,629,910.60

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Solution

The fourth proportional to 12,298,614.60, 18,447,921.90 and 6,629,910.60 is: 9,944,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,614.60 : 18,447,921.90 = 6,629,910.60 : x
  2. Step 2: Convert to fraction form
    12,298,614.60/18,447,921.90 = 6,629,910.60/x
  3. Step 3: Cross multiply
    12,298,614.60x = 18,447,921.90 × 6,629,910.60
  4. Step 4: Simplify right side
    12,298,614.60x = 122,308,072,952,782.12
  5. Step 5: Solve for x
    x = 122,308,072,952,782.12/12,298,614.60
  6. Step 6: Final answer
    x = 9,944,865.90

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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.