Home / 7,450,896.70-11,176,345.05-7,002,124.30

Finding the Fourth Proportional to 7,450,896.70, 11,176,345.05 and 7,002,124.30

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Solution

The fourth proportional to 7,450,896.70, 11,176,345.05 and 7,002,124.30 is: 10,503,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,896.70 : 11,176,345.05 = 7,002,124.30 : x
  2. Step 2: Convert to fraction form
    7,450,896.70/11,176,345.05 = 7,002,124.30/x
  3. Step 3: Cross multiply
    7,450,896.70x = 11,176,345.05 × 7,002,124.30
  4. Step 4: Simplify right side
    7,450,896.70x = 78,258,157,259,789.72
  5. Step 5: Solve for x
    x = 78,258,157,259,789.72/7,450,896.70
  6. Step 6: Final answer
    x = 10,503,186.45

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Double scale
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Similar ratio
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1.5x scale

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.