Home / 12,096,945.60-18,145,418.40-7,617,969.60

Finding the Fourth Proportional to 12,096,945.60, 18,145,418.40 and 7,617,969.60

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Solution

The fourth proportional to 12,096,945.60, 18,145,418.40 and 7,617,969.60 is: 11,426,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,945.60 : 18,145,418.40 = 7,617,969.60 : x
  2. Step 2: Convert to fraction form
    12,096,945.60/18,145,418.40 = 7,617,969.60/x
  3. Step 3: Cross multiply
    12,096,945.60x = 18,145,418.40 × 7,617,969.60
  4. Step 4: Simplify right side
    12,096,945.60x = 138,231,245,750,480.62
  5. Step 5: Solve for x
    x = 138,231,245,750,480.62/12,096,945.60
  6. Step 6: Final answer
    x = 11,426,954.40

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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.