Home / 7,193,928.40-9,927,325.77-3,930,855.14

Finding the Fourth Proportional to 7,193,928.40, 9,927,325.77 and 3,930,855.14

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Solution

The fourth proportional to 7,193,928.40, 9,927,325.77 and 3,930,855.14 is: 5,424,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,928.40 : 9,927,325.77 = 3,930,855.14 : x
  2. Step 2: Convert to fraction form
    7,193,928.40/9,927,325.77 = 3,930,855.14/x
  3. Step 3: Cross multiply
    7,193,928.40x = 9,927,325.77 × 3,930,855.14
  4. Step 4: Simplify right side
    7,193,928.40x = 39,022,879,529,458.96
  5. Step 5: Solve for x
    x = 39,022,879,529,458.96/7,193,928.40
  6. Step 6: Final answer
    x = 5,424,418.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.