Home / 9,072,605.70-13,608,908.55-7,840,887.30

Finding the Fourth Proportional to 9,072,605.70, 13,608,908.55 and 7,840,887.30

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Solution

The fourth proportional to 9,072,605.70, 13,608,908.55 and 7,840,887.30 is: 11,761,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,605.70 : 13,608,908.55 = 7,840,887.30 : x
  2. Step 2: Convert to fraction form
    9,072,605.70/13,608,908.55 = 7,840,887.30/x
  3. Step 3: Cross multiply
    9,072,605.70x = 13,608,908.55 × 7,840,887.30
  4. Step 4: Simplify right side
    9,072,605.70x = 106,705,918,216,556.42
  5. Step 5: Solve for x
    x = 106,705,918,216,556.42/9,072,605.70
  6. Step 6: Final answer
    x = 11,761,330.95

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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.