Home / 13,763,906.60-20,645,859.90-4,788,458.60

Finding the Fourth Proportional to 13,763,906.60, 20,645,859.90 and 4,788,458.60

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Solution

The fourth proportional to 13,763,906.60, 20,645,859.90 and 4,788,458.60 is: 7,182,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,906.60 : 20,645,859.90 = 4,788,458.60 : x
  2. Step 2: Convert to fraction form
    13,763,906.60/20,645,859.90 = 4,788,458.60/x
  3. Step 3: Cross multiply
    13,763,906.60x = 20,645,859.90 × 4,788,458.60
  4. Step 4: Simplify right side
    13,763,906.60x = 98,861,845,392,550.12
  5. Step 5: Solve for x
    x = 98,861,845,392,550.12/13,763,906.60
  6. Step 6: Final answer
    x = 7,182,687.90

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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.