Home / 12,303,491.48-18,444,768.18-7,514,540.36

Finding the Fourth Proportional to 12,303,491.48, 18,444,768.18 and 7,514,540.36

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Solution

The fourth proportional to 12,303,491.48, 18,444,768.18 and 7,514,540.36 is: 11,265,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,491.48 : 18,444,768.18 = 7,514,540.36 : x
  2. Step 2: Convert to fraction form
    12,303,491.48/18,444,768.18 = 7,514,540.36/x
  3. Step 3: Cross multiply
    12,303,491.48x = 18,444,768.18 × 7,514,540.36
  4. Step 4: Simplify right side
    12,303,491.48x = 138,603,954,919,453.75
  5. Step 5: Solve for x
    x = 138,603,954,919,453.75/12,303,491.48
  6. Step 6: Final answer
    x = 11,265,416.42

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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.