Home / 13,027,999.34-17,980,795.20-7,228,649.42

Finding the Fourth Proportional to 13,027,999.34, 17,980,795.20 and 7,228,649.42

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Solution

The fourth proportional to 13,027,999.34, 17,980,795.20 and 7,228,649.42 is: 9,976,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,999.34 : 17,980,795.20 = 7,228,649.42 : x
  2. Step 2: Convert to fraction form
    13,027,999.34/17,980,795.20 = 7,228,649.42/x
  3. Step 3: Cross multiply
    13,027,999.34x = 17,980,795.20 × 7,228,649.42
  4. Step 4: Simplify right side
    13,027,999.34x = 129,976,864,793,618.78
  5. Step 5: Solve for x
    x = 129,976,864,793,618.78/13,027,999.34
  6. Step 6: Final answer
    x = 9,976,732.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.