Home / 7,777,379.15-11,666,068.73-7,279,715.15

Finding the Fourth Proportional to 7,777,379.15, 11,666,068.73 and 7,279,715.15

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Solution

The fourth proportional to 7,777,379.15, 11,666,068.73 and 7,279,715.15 is: 10,919,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,379.15 : 11,666,068.73 = 7,279,715.15 : x
  2. Step 2: Convert to fraction form
    7,777,379.15/11,666,068.73 = 7,279,715.15/x
  3. Step 3: Cross multiply
    7,777,379.15x = 11,666,068.73 × 7,279,715.15
  4. Step 4: Simplify right side
    7,777,379.15x = 84,925,657,274,722.27
  5. Step 5: Solve for x
    x = 84,925,657,274,722.27/7,777,379.15
  6. Step 6: Final answer
    x = 10,919,572.73

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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.