Home / 11,916,423.57-17,871,975.39-5,525,845.53

Finding the Fourth Proportional to 11,916,423.57, 17,871,975.39 and 5,525,845.53

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Solution

The fourth proportional to 11,916,423.57, 17,871,975.39 and 5,525,845.53 is: 8,287,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916,423.57 : 17,871,975.39 = 5,525,845.53 : x
  2. Step 2: Convert to fraction form
    11,916,423.57/17,871,975.39 = 5,525,845.53/x
  3. Step 3: Cross multiply
    11,916,423.57x = 17,871,975.39 × 5,525,845.53
  4. Step 4: Simplify right side
    11,916,423.57x = 98,757,775,321,101.52
  5. Step 5: Solve for x
    x = 98,757,775,321,101.52/11,916,423.57
  6. Step 6: Final answer
    x = 8,287,534.82

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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.