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Finding the Fourth Proportional to 8,309,834.99, 12,441,797.16 and 4,257,597.36

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Solution

The fourth proportional to 8,309,834.99, 12,441,797.16 and 4,257,597.36 is: 6,374,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,834.99 : 12,441,797.16 = 4,257,597.36 : x
  2. Step 2: Convert to fraction form
    8,309,834.99/12,441,797.16 = 4,257,597.36/x
  3. Step 3: Cross multiply
    8,309,834.99x = 12,441,797.16 × 4,257,597.36
  4. Step 4: Simplify right side
    8,309,834.99x = 52,972,162,742,071.50
  5. Step 5: Solve for x
    x = 52,972,162,742,071.50/8,309,834.99
  6. Step 6: Final answer
    x = 6,374,634.74

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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.