Home / 7,138,435.70-10,685,783.55-3,933,751.70

Finding the Fourth Proportional to 7,138,435.70, 10,685,783.55 and 3,933,751.70

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Solution

The fourth proportional to 7,138,435.70, 10,685,783.55 and 3,933,751.70 is: 5,888,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,435.70 : 10,685,783.55 = 3,933,751.70 : x
  2. Step 2: Convert to fraction form
    7,138,435.70/10,685,783.55 = 3,933,751.70/x
  3. Step 3: Cross multiply
    7,138,435.70x = 10,685,783.55 × 3,933,751.70
  4. Step 4: Simplify right side
    7,138,435.70x = 42,035,219,205,644.54
  5. Step 5: Solve for x
    x = 42,035,219,205,644.54/7,138,435.70
  6. Step 6: Final answer
    x = 5,888,575.73

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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.