Home / 7,777,235.15-11,665,852.73-6,993,414.35

Finding the Fourth Proportional to 7,777,235.15, 11,665,852.73 and 6,993,414.35

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Solution

The fourth proportional to 7,777,235.15, 11,665,852.73 and 6,993,414.35 is: 10,490,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,235.15 : 11,665,852.73 = 6,993,414.35 : x
  2. Step 2: Convert to fraction form
    7,777,235.15/11,665,852.73 = 6,993,414.35/x
  3. Step 3: Cross multiply
    7,777,235.15x = 11,665,852.73 × 6,993,414.35
  4. Step 4: Simplify right side
    7,777,235.15x = 81,584,141,886,968.67
  5. Step 5: Solve for x
    x = 81,584,141,886,968.67/7,777,235.15
  6. Step 6: Final answer
    x = 10,490,121.53

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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.