Home / 12,144,906.60-18,217,359.90-3,169,458.60

Finding the Fourth Proportional to 12,144,906.60, 18,217,359.90 and 3,169,458.60

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Solution

The fourth proportional to 12,144,906.60, 18,217,359.90 and 3,169,458.60 is: 4,754,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,906.60 : 18,217,359.90 = 3,169,458.60 : x
  2. Step 2: Convert to fraction form
    12,144,906.60/18,217,359.90 = 3,169,458.60/x
  3. Step 3: Cross multiply
    12,144,906.60x = 18,217,359.90 × 3,169,458.60
  4. Step 4: Simplify right side
    12,144,906.60x = 57,739,168,004,350.14
  5. Step 5: Solve for x
    x = 57,739,168,004,350.14/12,144,906.60
  6. Step 6: Final answer
    x = 4,754,187.90

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1.5x scale

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.