Home / 13,580,358.38-18,741,249.16-7,468,947.26

Finding the Fourth Proportional to 13,580,358.38, 18,741,249.16 and 7,468,947.26

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Solution

The fourth proportional to 13,580,358.38, 18,741,249.16 and 7,468,947.26 is: 10,307,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,358.38 : 18,741,249.16 = 7,468,947.26 : x
  2. Step 2: Convert to fraction form
    13,580,358.38/18,741,249.16 = 7,468,947.26/x
  3. Step 3: Cross multiply
    13,580,358.38x = 18,741,249.16 × 7,468,947.26
  4. Step 4: Simplify right side
    13,580,358.38x = 139,977,401,562,559.30
  5. Step 5: Solve for x
    x = 139,977,401,562,559.30/13,580,358.38
  6. Step 6: Final answer
    x = 10,307,342.24

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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.