Home / 6,787,745.40-10,181,618.10-6,526,471.80

Finding the Fourth Proportional to 6,787,745.40, 10,181,618.10 and 6,526,471.80

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Solution

The fourth proportional to 6,787,745.40, 10,181,618.10 and 6,526,471.80 is: 9,789,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,745.40 : 10,181,618.10 = 6,526,471.80 : x
  2. Step 2: Convert to fraction form
    6,787,745.40/10,181,618.10 = 6,526,471.80/x
  3. Step 3: Cross multiply
    6,787,745.40x = 10,181,618.10 × 6,526,471.80
  4. Step 4: Simplify right side
    6,787,745.40x = 66,450,043,408,019.58
  5. Step 5: Solve for x
    x = 66,450,043,408,019.58/6,787,745.40
  6. Step 6: Final answer
    x = 9,789,707.70

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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.