Home / 13,634,138.60-20,451,207.90-12,794,330.60

Finding the Fourth Proportional to 13,634,138.60, 20,451,207.90 and 12,794,330.60

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Solution

The fourth proportional to 13,634,138.60, 20,451,207.90 and 12,794,330.60 is: 19,191,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,138.60 : 20,451,207.90 = 12,794,330.60 : x
  2. Step 2: Convert to fraction form
    13,634,138.60/20,451,207.90 = 12,794,330.60/x
  3. Step 3: Cross multiply
    13,634,138.60x = 20,451,207.90 × 12,794,330.60
  4. Step 4: Simplify right side
    13,634,138.60x = 261,659,515,041,931.72
  5. Step 5: Solve for x
    x = 261,659,515,041,931.72/13,634,138.60
  6. Step 6: Final answer
    x = 19,191,495.90

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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.