Home / 12,764,042.20-19,146,063.30-8,732,963.80

Finding the Fourth Proportional to 12,764,042.20, 19,146,063.30 and 8,732,963.80

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Solution

The fourth proportional to 12,764,042.20, 19,146,063.30 and 8,732,963.80 is: 13,099,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,042.20 : 19,146,063.30 = 8,732,963.80 : x
  2. Step 2: Convert to fraction form
    12,764,042.20/19,146,063.30 = 8,732,963.80/x
  3. Step 3: Cross multiply
    12,764,042.20x = 19,146,063.30 × 8,732,963.80
  4. Step 4: Simplify right side
    12,764,042.20x = 167,201,877,711,408.56
  5. Step 5: Solve for x
    x = 167,201,877,711,408.56/12,764,042.20
  6. Step 6: Final answer
    x = 13,099,445.70

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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.