Home / 13,475,105.10-20,212,657.65-3,890,796.30

Finding the Fourth Proportional to 13,475,105.10, 20,212,657.65 and 3,890,796.30

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Solution

The fourth proportional to 13,475,105.10, 20,212,657.65 and 3,890,796.30 is: 5,836,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,105.10 : 20,212,657.65 = 3,890,796.30 : x
  2. Step 2: Convert to fraction form
    13,475,105.10/20,212,657.65 = 3,890,796.30/x
  3. Step 3: Cross multiply
    13,475,105.10x = 20,212,657.65 × 3,890,796.30
  4. Step 4: Simplify right side
    13,475,105.10x = 78,643,333,597,786.69
  5. Step 5: Solve for x
    x = 78,643,333,597,786.69/13,475,105.10
  6. Step 6: Final answer
    x = 5,836,194.45

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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.