Home / 31,409,658.80-47,079,496.20-12,234,042.80

Finding the Fourth Proportional to 31,409,658.80, 47,079,496.20 and 12,234,042.80

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Solution

The fourth proportional to 31,409,658.80, 47,079,496.20 and 12,234,042.80 is: 18,337,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,658.80 : 47,079,496.20 = 12,234,042.80 : x
  2. Step 2: Convert to fraction form
    31,409,658.80/47,079,496.20 = 12,234,042.80/x
  3. Step 3: Cross multiply
    31,409,658.80x = 47,079,496.20 × 12,234,042.80
  4. Step 4: Simplify right side
    31,409,658.80x = 575,972,571,513,237.38
  5. Step 5: Solve for x
    x = 575,972,571,513,237.38/31,409,658.80
  6. Step 6: Final answer
    x = 18,337,434.84

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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.