Home / 20,609,261.60-30,893,553.30-11,515,715.60

Finding the Fourth Proportional to 20,609,261.60, 30,893,553.30 and 11,515,715.60

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Solution

The fourth proportional to 20,609,261.60, 30,893,553.30 and 11,515,715.60 is: 17,262,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,261.60 : 30,893,553.30 = 11,515,715.60 : x
  2. Step 2: Convert to fraction form
    20,609,261.60/30,893,553.30 = 11,515,715.60/x
  3. Step 3: Cross multiply
    20,609,261.60x = 30,893,553.30 × 11,515,715.60
  4. Step 4: Simplify right side
    20,609,261.60x = 355,761,373,676,241.50
  5. Step 5: Solve for x
    x = 355,761,373,676,241.50/20,609,261.60
  6. Step 6: Final answer
    x = 17,262,208.64

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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.