Home / 19,317,961.60-28,976,942.40-8,701,129.60

Finding the Fourth Proportional to 19,317,961.60, 28,976,942.40 and 8,701,129.60

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Solution

The fourth proportional to 19,317,961.60, 28,976,942.40 and 8,701,129.60 is: 13,051,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317,961.60 : 28,976,942.40 = 8,701,129.60 : x
  2. Step 2: Convert to fraction form
    19,317,961.60/28,976,942.40 = 8,701,129.60/x
  3. Step 3: Cross multiply
    19,317,961.60x = 28,976,942.40 × 8,701,129.60
  4. Step 4: Simplify right side
    19,317,961.60x = 252,132,131,234,135.03
  5. Step 5: Solve for x
    x = 252,132,131,234,135.03/19,317,961.60
  6. Step 6: Final answer
    x = 13,051,694.40

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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.