Home / 12,504,936.38-17,256,812.21-6,781,800.38

Finding the Fourth Proportional to 12,504,936.38, 17,256,812.21 and 6,781,800.38

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Solution

The fourth proportional to 12,504,936.38, 17,256,812.21 and 6,781,800.38 is: 9,358,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,936.38 : 17,256,812.21 = 6,781,800.38 : x
  2. Step 2: Convert to fraction form
    12,504,936.38/17,256,812.21 = 6,781,800.38/x
  3. Step 3: Cross multiply
    12,504,936.38x = 17,256,812.21 × 6,781,800.38
  4. Step 4: Simplify right side
    12,504,936.38x = 117,032,255,483,173.56
  5. Step 5: Solve for x
    x = 117,032,255,483,173.56/12,504,936.38
  6. Step 6: Final answer
    x = 9,358,884.52

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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.