Home / 13,712,471.98-20,575,447.88-5,514,786.96

Finding the Fourth Proportional to 13,712,471.98, 20,575,447.88 and 5,514,786.96

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Solution

The fourth proportional to 13,712,471.98, 20,575,447.88 and 5,514,786.96 is: 8,274,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,471.98 : 20,575,447.88 = 5,514,786.96 : x
  2. Step 2: Convert to fraction form
    13,712,471.98/20,575,447.88 = 5,514,786.96/x
  3. Step 3: Cross multiply
    13,712,471.98x = 20,575,447.88 × 5,514,786.96
  4. Step 4: Simplify right side
    13,712,471.98x = 113,469,211,664,783.64
  5. Step 5: Solve for x
    x = 113,469,211,664,783.64/13,712,471.98
  6. Step 6: Final answer
    x = 8,274,891.05

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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.