Home / 7,728,882.48-10,666,190.92-4,291,123.76

Finding the Fourth Proportional to 7,728,882.48, 10,666,190.92 and 4,291,123.76

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Solution

The fourth proportional to 7,728,882.48, 10,666,190.92 and 4,291,123.76 is: 5,921,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,882.48 : 10,666,190.92 = 4,291,123.76 : x
  2. Step 2: Convert to fraction form
    7,728,882.48/10,666,190.92 = 4,291,123.76/x
  3. Step 3: Cross multiply
    7,728,882.48x = 10,666,190.92 × 4,291,123.76
  4. Step 4: Simplify right side
    7,728,882.48x = 45,769,945,285,508.26
  5. Step 5: Solve for x
    x = 45,769,945,285,508.26/7,728,882.48
  6. Step 6: Final answer
    x = 5,921,935.73

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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.