Home / 10,360,054.70-15,540,082.05-5,321,206.70

Finding the Fourth Proportional to 10,360,054.70, 15,540,082.05 and 5,321,206.70

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Solution

The fourth proportional to 10,360,054.70, 15,540,082.05 and 5,321,206.70 is: 7,981,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,054.70 : 15,540,082.05 = 5,321,206.70 : x
  2. Step 2: Convert to fraction form
    10,360,054.70/15,540,082.05 = 5,321,206.70/x
  3. Step 3: Cross multiply
    10,360,054.70x = 15,540,082.05 × 5,321,206.70
  4. Step 4: Simplify right side
    10,360,054.70x = 82,691,988,723,009.73
  5. Step 5: Solve for x
    x = 82,691,988,723,009.73/10,360,054.70
  6. Step 6: Final answer
    x = 7,981,810.05

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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.