Home / 47,694,905.40-71,546,246.10-20,401,404.60

Finding the Fourth Proportional to 47,694,905.40, 71,546,246.10 and 20,401,404.60

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Solution

The fourth proportional to 47,694,905.40, 71,546,246.10 and 20,401,404.60 is: 30,603,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,694,905.40 : 71,546,246.10 = 20,401,404.60 : x
  2. Step 2: Convert to fraction form
    47,694,905.40/71,546,246.10 = 20,401,404.60/x
  3. Step 3: Cross multiply
    47,694,905.40x = 71,546,246.10 × 20,401,404.60
  4. Step 4: Simplify right side
    47,694,905.40x = 1,459,643,914,297,272
  5. Step 5: Solve for x
    x = 1,459,643,914,297,272/47,694,905.40
  6. Step 6: Final answer
    x = 30,603,769.98

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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.