Home / 20,847,412.05-31,227,125.72-16,726,421.83

Finding the Fourth Proportional to 20,847,412.05, 31,227,125.72 and 16,726,421.83

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Solution

The fourth proportional to 20,847,412.05, 31,227,125.72 and 16,726,421.83 is: 25,054,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,412.05 : 31,227,125.72 = 16,726,421.83 : x
  2. Step 2: Convert to fraction form
    20,847,412.05/31,227,125.72 = 16,726,421.83/x
  3. Step 3: Cross multiply
    20,847,412.05x = 31,227,125.72 × 16,726,421.83
  4. Step 4: Simplify right side
    20,847,412.05x = 522,318,077,169,462.56
  5. Step 5: Solve for x
    x = 522,318,077,169,462.56/20,847,412.05
  6. Step 6: Final answer
    x = 25,054,336.52

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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.