Home / 31,557,491.42-47,332,562.82-8,527,331.66

Finding the Fourth Proportional to 31,557,491.42, 47,332,562.82 and 8,527,331.66

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Solution

The fourth proportional to 31,557,491.42, 47,332,562.82 and 8,527,331.66 is: 12,790,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557,491.42 : 47,332,562.82 = 8,527,331.66 : x
  2. Step 2: Convert to fraction form
    31,557,491.42/47,332,562.82 = 8,527,331.66/x
  3. Step 3: Cross multiply
    31,557,491.42x = 47,332,562.82 × 8,527,331.66
  4. Step 4: Simplify right side
    31,557,491.42x = 403,620,461,483,924.88
  5. Step 5: Solve for x
    x = 403,620,461,483,924.88/31,557,491.42
  6. Step 6: Final answer
    x = 12,790,004.63

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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.