Home / 29,138,101.60-43,672,160.40-12,089,999.20

Finding the Fourth Proportional to 29,138,101.60, 43,672,160.40 and 12,089,999.20

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Solution

The fourth proportional to 29,138,101.60, 43,672,160.40 and 12,089,999.20 is: 18,120,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,101.60 : 43,672,160.40 = 12,089,999.20 : x
  2. Step 2: Convert to fraction form
    29,138,101.60/43,672,160.40 = 12,089,999.20/x
  3. Step 3: Cross multiply
    29,138,101.60x = 43,672,160.40 × 12,089,999.20
  4. Step 4: Simplify right side
    29,138,101.60x = 527,996,384,298,271.62
  5. Step 5: Solve for x
    x = 527,996,384,298,271.62/29,138,101.60
  6. Step 6: Final answer
    x = 18,120,479.90

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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.