Home / 8,317,263.20-12,474,145.20-3,525,108.80

Finding the Fourth Proportional to 8,317,263.20, 12,474,145.20 and 3,525,108.80

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Solution

The fourth proportional to 8,317,263.20, 12,474,145.20 and 3,525,108.80 is: 5,286,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,263.20 : 12,474,145.20 = 3,525,108.80 : x
  2. Step 2: Convert to fraction form
    8,317,263.20/12,474,145.20 = 3,525,108.80/x
  3. Step 3: Cross multiply
    8,317,263.20x = 12,474,145.20 × 3,525,108.80
  4. Step 4: Simplify right side
    8,317,263.20x = 43,972,719,016,997.76
  5. Step 5: Solve for x
    x = 43,972,719,016,997.76/8,317,263.20
  6. Step 6: Final answer
    x = 5,286,921.67

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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.