Home / 6,641,311.35-9,161,878.32-3,886,308.75

Finding the Fourth Proportional to 6,641,311.35, 9,161,878.32 and 3,886,308.75

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Solution

The fourth proportional to 6,641,311.35, 9,161,878.32 and 3,886,308.75 is: 5,361,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,311.35 : 9,161,878.32 = 3,886,308.75 : x
  2. Step 2: Convert to fraction form
    6,641,311.35/9,161,878.32 = 3,886,308.75/x
  3. Step 3: Cross multiply
    6,641,311.35x = 9,161,878.32 × 3,886,308.75
  4. Step 4: Simplify right side
    6,641,311.35x = 35,605,887,915,808.34
  5. Step 5: Solve for x
    x = 35,605,887,915,808.34/6,641,311.35
  6. Step 6: Final answer
    x = 5,361,273.70

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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.