Home / 12,324,998.40-18,452,068.20-7,542,029.40

Finding the Fourth Proportional to 12,324,998.40, 18,452,068.20 and 7,542,029.40

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Solution

The fourth proportional to 12,324,998.40, 18,452,068.20 and 7,542,029.40 is: 11,291,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,998.40 : 18,452,068.20 = 7,542,029.40 : x
  2. Step 2: Convert to fraction form
    12,324,998.40/18,452,068.20 = 7,542,029.40/x
  3. Step 3: Cross multiply
    12,324,998.40x = 18,452,068.20 × 7,542,029.40
  4. Step 4: Simplify right side
    12,324,998.40x = 139,166,040,855,205.08
  5. Step 5: Solve for x
    x = 139,166,040,855,205.08/12,324,998.40
  6. Step 6: Final answer
    x = 11,291,363.81

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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.