Home / 7,637,958.16-10,568,138.28-6,659,935.20

Finding the Fourth Proportional to 7,637,958.16, 10,568,138.28 and 6,659,935.20

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Solution

The fourth proportional to 7,637,958.16, 10,568,138.28 and 6,659,935.20 is: 9,214,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637,958.16 : 10,568,138.28 = 6,659,935.20 : x
  2. Step 2: Convert to fraction form
    7,637,958.16/10,568,138.28 = 6,659,935.20/x
  3. Step 3: Cross multiply
    7,637,958.16x = 10,568,138.28 × 6,659,935.20
  4. Step 4: Simplify right side
    7,637,958.16x = 70,383,116,129,439.45
  5. Step 5: Solve for x
    x = 70,383,116,129,439.45/7,637,958.16
  6. Step 6: Final answer
    x = 9,214,912.50

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Double scale
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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.