Home / 13,580,350.38-18,741,238.11-7,468,939.26

Finding the Fourth Proportional to 13,580,350.38, 18,741,238.11 and 7,468,939.26

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Solution

The fourth proportional to 13,580,350.38, 18,741,238.11 and 7,468,939.26 is: 10,307,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,350.38 : 18,741,238.11 = 7,468,939.26 : x
  2. Step 2: Convert to fraction form
    13,580,350.38/18,741,238.11 = 7,468,939.26/x
  3. Step 3: Cross multiply
    13,580,350.38x = 18,741,238.11 × 7,468,939.26
  4. Step 4: Simplify right side
    13,580,350.38x = 139,977,169,100,787.19
  5. Step 5: Solve for x
    x = 139,977,169,100,787.19/13,580,350.38
  6. Step 6: Final answer
    x = 10,307,331.19

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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.