Home / 6,476,191.75-8,928,837.16-5,310,342.55

Finding the Fourth Proportional to 6,476,191.75, 8,928,837.16 and 5,310,342.55

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Solution

The fourth proportional to 6,476,191.75, 8,928,837.16 and 5,310,342.55 is: 7,321,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,191.75 : 8,928,837.16 = 5,310,342.55 : x
  2. Step 2: Convert to fraction form
    6,476,191.75/8,928,837.16 = 5,310,342.55/x
  3. Step 3: Cross multiply
    6,476,191.75x = 8,928,837.16 × 5,310,342.55
  4. Step 4: Simplify right side
    6,476,191.75x = 47,415,183,892,769.16
  5. Step 5: Solve for x
    x = 47,415,183,892,769.16/6,476,191.75
  6. Step 6: Final answer
    x = 7,321,460.78

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1.5x scale

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.