Home / 10,408,090.20-15,612,135.30-6,624,288.60

Finding the Fourth Proportional to 10,408,090.20, 15,612,135.30 and 6,624,288.60

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Solution

The fourth proportional to 10,408,090.20, 15,612,135.30 and 6,624,288.60 is: 9,936,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,090.20 : 15,612,135.30 = 6,624,288.60 : x
  2. Step 2: Convert to fraction form
    10,408,090.20/15,612,135.30 = 6,624,288.60/x
  3. Step 3: Cross multiply
    10,408,090.20x = 15,612,135.30 × 6,624,288.60
  4. Step 4: Simplify right side
    10,408,090.20x = 103,419,289,889,447.58
  5. Step 5: Solve for x
    x = 103,419,289,889,447.58/10,408,090.20
  6. Step 6: Final answer
    x = 9,936,432.90

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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.