Home / 6,429,817.45-8,873,116.92-3,529,257.67

Finding the Fourth Proportional to 6,429,817.45, 8,873,116.92 and 3,529,257.67

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Solution

The fourth proportional to 6,429,817.45, 8,873,116.92 and 3,529,257.67 is: 4,870,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,817.45 : 8,873,116.92 = 3,529,257.67 : x
  2. Step 2: Convert to fraction form
    6,429,817.45/8,873,116.92 = 3,529,257.67/x
  3. Step 3: Cross multiply
    6,429,817.45x = 8,873,116.92 × 3,529,257.67
  4. Step 4: Simplify right side
    6,429,817.45x = 31,315,515,946,716.78
  5. Step 5: Solve for x
    x = 31,315,515,946,716.78/6,429,817.45
  6. Step 6: Final answer
    x = 4,870,358.48

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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.