Home / 16,907,911.55-25,365,998.36-5,393,380.81

Finding the Fourth Proportional to 16,907,911.55, 25,365,998.36 and 5,393,380.81

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Solution

The fourth proportional to 16,907,911.55, 25,365,998.36 and 5,393,380.81 is: 8,091,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907,911.55 : 25,365,998.36 = 5,393,380.81 : x
  2. Step 2: Convert to fraction form
    16,907,911.55/25,365,998.36 = 5,393,380.81/x
  3. Step 3: Cross multiply
    16,907,911.55x = 25,365,998.36 × 5,393,380.81
  4. Step 4: Simplify right side
    16,907,911.55x = 136,808,488,627,518.58
  5. Step 5: Solve for x
    x = 136,808,488,627,518.58/16,907,911.55
  6. Step 6: Final answer
    x = 8,091,388.95

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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.