Home / 7,777,379.90-11,666,069.85-7,279,715.90

Finding the Fourth Proportional to 7,777,379.90, 11,666,069.85 and 7,279,715.90

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Solution

The fourth proportional to 7,777,379.90, 11,666,069.85 and 7,279,715.90 is: 10,919,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,379.90 : 11,666,069.85 = 7,279,715.90 : x
  2. Step 2: Convert to fraction form
    7,777,379.90/11,666,069.85 = 7,279,715.90/x
  3. Step 3: Cross multiply
    7,777,379.90x = 11,666,069.85 × 7,279,715.90
  4. Step 4: Simplify right side
    7,777,379.90x = 84,925,674,177,555.61
  5. Step 5: Solve for x
    x = 84,925,674,177,555.61/7,777,379.90
  6. Step 6: Final answer
    x = 10,919,573.85

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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.