Home / 7,777,382.90-11,666,074.35-7,279,718.90

Finding the Fourth Proportional to 7,777,382.90, 11,666,074.35 and 7,279,718.90

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Solution

The fourth proportional to 7,777,382.90, 11,666,074.35 and 7,279,718.90 is: 10,919,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,382.90 : 11,666,074.35 = 7,279,718.90 : x
  2. Step 2: Convert to fraction form
    7,777,382.90/11,666,074.35 = 7,279,718.90/x
  3. Step 3: Cross multiply
    7,777,382.90x = 11,666,074.35 × 7,279,718.90
  4. Step 4: Simplify right side
    7,777,382.90x = 84,925,741,934,500.22
  5. Step 5: Solve for x
    x = 84,925,741,934,500.22/7,777,382.90
  6. Step 6: Final answer
    x = 10,919,578.35

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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.