Home / 13,475,651.20-20,214,351.60-7,098,359.20

Finding the Fourth Proportional to 13,475,651.20, 20,214,351.60 and 7,098,359.20

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Solution

The fourth proportional to 13,475,651.20, 20,214,351.60 and 7,098,359.20 is: 10,647,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,651.20 : 20,214,351.60 = 7,098,359.20 : x
  2. Step 2: Convert to fraction form
    13,475,651.20/20,214,351.60 = 7,098,359.20/x
  3. Step 3: Cross multiply
    13,475,651.20x = 20,214,351.60 × 7,098,359.20
  4. Step 4: Simplify right side
    13,475,651.20x = 143,488,728,651,894.72
  5. Step 5: Solve for x
    x = 143,488,728,651,894.72/13,475,651.20
  6. Step 6: Final answer
    x = 10,647,999.60

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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.