Home / 15,035,575.44-20,749,104.60-8,160,057.36

Finding the Fourth Proportional to 15,035,575.44, 20,749,104.60 and 8,160,057.36

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Solution

The fourth proportional to 15,035,575.44, 20,749,104.60 and 8,160,057.36 is: 11,260,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,575.44 : 20,749,104.60 = 8,160,057.36 : x
  2. Step 2: Convert to fraction form
    15,035,575.44/20,749,104.60 = 8,160,057.36/x
  3. Step 3: Cross multiply
    15,035,575.44x = 20,749,104.60 × 8,160,057.36
  4. Step 4: Simplify right side
    15,035,575.44x = 169,313,883,704,639.88
  5. Step 5: Solve for x
    x = 169,313,883,704,639.88/15,035,575.44
  6. Step 6: Final answer
    x = 11,260,884.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.