Home / 17,309,917.20-25,943,880.60-7,715,110.80

Finding the Fourth Proportional to 17,309,917.20, 25,943,880.60 and 7,715,110.80

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Solution

The fourth proportional to 17,309,917.20, 25,943,880.60 and 7,715,110.80 is: 11,563,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309,917.20 : 25,943,880.60 = 7,715,110.80 : x
  2. Step 2: Convert to fraction form
    17,309,917.20/25,943,880.60 = 7,715,110.80/x
  3. Step 3: Cross multiply
    17,309,917.20x = 25,943,880.60 × 7,715,110.80
  4. Step 4: Simplify right side
    17,309,917.20x = 200,159,913,410,970.50
  5. Step 5: Solve for x
    x = 200,159,913,410,970.50/17,309,917.20
  6. Step 6: Final answer
    x = 11,563,308.54

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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.