Home / 20,847,411.55-31,227,124.97-16,726,421.33

Finding the Fourth Proportional to 20,847,411.55, 31,227,124.97 and 16,726,421.33

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Solution

The fourth proportional to 20,847,411.55, 31,227,124.97 and 16,726,421.33 is: 25,054,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,411.55 : 31,227,124.97 = 16,726,421.33 : x
  2. Step 2: Convert to fraction form
    20,847,411.55/31,227,124.97 = 16,726,421.33/x
  3. Step 3: Cross multiply
    20,847,411.55x = 31,227,124.97 × 16,726,421.33
  4. Step 4: Simplify right side
    20,847,411.55x = 522,318,049,172,783.56
  5. Step 5: Solve for x
    x = 522,318,049,172,783.56/20,847,411.55
  6. Step 6: Final answer
    x = 25,054,335.78

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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.