Home / 13,027,985.33-17,980,775.89-7,228,635.41

Finding the Fourth Proportional to 13,027,985.33, 17,980,775.89 and 7,228,635.41

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Solution

The fourth proportional to 13,027,985.33, 17,980,775.89 and 7,228,635.41 is: 9,976,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,985.33 : 17,980,775.89 = 7,228,635.41 : x
  2. Step 2: Convert to fraction form
    13,027,985.33/17,980,775.89 = 7,228,635.41/x
  3. Step 3: Cross multiply
    13,027,985.33x = 17,980,775.89 × 7,228,635.41
  4. Step 4: Simplify right side
    13,027,985.33x = 129,976,473,324,608.61
  5. Step 5: Solve for x
    x = 129,976,473,324,608.61/13,027,985.33
  6. Step 6: Final answer
    x = 9,976,713.21

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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.