Home / 31,594,912.80-47,392,369.20-19,424,913.90

Finding the Fourth Proportional to 31,594,912.80, 47,392,369.20 and 19,424,913.90

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Solution

The fourth proportional to 31,594,912.80, 47,392,369.20 and 19,424,913.90 is: 29,137,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594,912.80 : 47,392,369.20 = 19,424,913.90 : x
  2. Step 2: Convert to fraction form
    31,594,912.80/47,392,369.20 = 19,424,913.90/x
  3. Step 3: Cross multiply
    31,594,912.80x = 47,392,369.20 × 19,424,913.90
  4. Step 4: Simplify right side
    31,594,912.80x = 920,592,691,227,011.88
  5. Step 5: Solve for x
    x = 920,592,691,227,011.88/31,594,912.80
  6. Step 6: Final answer
    x = 29,137,370.85

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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.