Home / 13,489,938.40-20,227,909.20-4,965,887.20

Finding the Fourth Proportional to 13,489,938.40, 20,227,909.20 and 4,965,887.20

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Solution

The fourth proportional to 13,489,938.40, 20,227,909.20 and 4,965,887.20 is: 7,446,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489,938.40 : 20,227,909.20 = 4,965,887.20 : x
  2. Step 2: Convert to fraction form
    13,489,938.40/20,227,909.20 = 4,965,887.20/x
  3. Step 3: Cross multiply
    13,489,938.40x = 20,227,909.20 × 4,965,887.20
  4. Step 4: Simplify right side
    13,489,938.40x = 100,449,515,379,042.23
  5. Step 5: Solve for x
    x = 100,449,515,379,042.23/13,489,938.40
  6. Step 6: Final answer
    x = 7,446,254.56

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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.