Home / 13,150,101.79-18,145,568.82-7,268,941.52

Finding the Fourth Proportional to 13,150,101.79, 18,145,568.82 and 7,268,941.52

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Solution

The fourth proportional to 13,150,101.79, 18,145,568.82 and 7,268,941.52 is: 10,030,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,101.79 : 18,145,568.82 = 7,268,941.52 : x
  2. Step 2: Convert to fraction form
    13,150,101.79/18,145,568.82 = 7,268,941.52/x
  3. Step 3: Cross multiply
    13,150,101.79x = 18,145,568.82 × 7,268,941.52
  4. Step 4: Simplify right side
    13,150,101.79x = 131,899,078,599,715.41
  5. Step 5: Solve for x
    x = 131,899,078,599,715.41/13,150,101.79
  6. Step 6: Final answer
    x = 10,030,270.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.