Home / 7,538,173.49-11,308,521.17-5,918,876.78

Finding the Fourth Proportional to 7,538,173.49, 11,308,521.17 and 5,918,876.78

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Solution

The fourth proportional to 7,538,173.49, 11,308,521.17 and 5,918,876.78 is: 8,879,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,173.49 : 11,308,521.17 = 5,918,876.78 : x
  2. Step 2: Convert to fraction form
    7,538,173.49/11,308,521.17 = 5,918,876.78/x
  3. Step 3: Cross multiply
    7,538,173.49x = 11,308,521.17 × 5,918,876.78
  4. Step 4: Simplify right side
    7,538,173.49x = 66,933,743,283,114.45
  5. Step 5: Solve for x
    x = 66,933,743,283,114.45/7,538,173.49
  6. Step 6: Final answer
    x = 8,879,305.23

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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.