Home / 29,138,099.60-43,672,157.40-12,089,997.20

Finding the Fourth Proportional to 29,138,099.60, 43,672,157.40 and 12,089,997.20

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Solution

The fourth proportional to 29,138,099.60, 43,672,157.40 and 12,089,997.20 is: 18,120,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,099.60 : 43,672,157.40 = 12,089,997.20 : x
  2. Step 2: Convert to fraction form
    29,138,099.60/43,672,157.40 = 12,089,997.20/x
  3. Step 3: Cross multiply
    29,138,099.60x = 43,672,157.40 × 12,089,997.20
  4. Step 4: Simplify right side
    29,138,099.60x = 527,996,260,683,959.25
  5. Step 5: Solve for x
    x = 527,996,260,683,959.25/29,138,099.60
  6. Step 6: Final answer
    x = 18,120,476.90

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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.