Home / 31,787,469.48-47,672,667.47-8,752,919.93

Finding the Fourth Proportional to 31,787,469.48, 47,672,667.47 and 8,752,919.93

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Solution

The fourth proportional to 31,787,469.48, 47,672,667.47 and 8,752,919.93 is: 13,127,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787,469.48 : 47,672,667.47 = 8,752,919.93 : x
  2. Step 2: Convert to fraction form
    31,787,469.48/47,672,667.47 = 8,752,919.93/x
  3. Step 3: Cross multiply
    31,787,469.48x = 47,672,667.47 × 8,752,919.93
  4. Step 4: Simplify right side
    31,787,469.48x = 417,275,040,932,297.81
  5. Step 5: Solve for x
    x = 417,275,040,932,297.81/31,787,469.48
  6. Step 6: Final answer
    x = 13,127,029.23

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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.