Home / 13,504,513.64-20,256,770.78-4,529,039.72

Finding the Fourth Proportional to 13,504,513.64, 20,256,770.78 and 4,529,039.72

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Solution

The fourth proportional to 13,504,513.64, 20,256,770.78 and 4,529,039.72 is: 6,793,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,513.64 : 20,256,770.78 = 4,529,039.72 : x
  2. Step 2: Convert to fraction form
    13,504,513.64/20,256,770.78 = 4,529,039.72/x
  3. Step 3: Cross multiply
    13,504,513.64x = 20,256,770.78 × 4,529,039.72
  4. Step 4: Simplify right side
    13,504,513.64x = 91,743,719,461,555.38
  5. Step 5: Solve for x
    x = 91,743,719,461,555.38/13,504,513.64
  6. Step 6: Final answer
    x = 6,793,559.69

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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.