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Finding the Fourth Proportional to 8,314,838.40, 12,476,404.80 and 4,723,363.20

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Solution

The fourth proportional to 8,314,838.40, 12,476,404.80 and 4,723,363.20 is: 7,087,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314,838.40 : 12,476,404.80 = 4,723,363.20 : x
  2. Step 2: Convert to fraction form
    8,314,838.40/12,476,404.80 = 4,723,363.20/x
  3. Step 3: Cross multiply
    8,314,838.40x = 12,476,404.80 × 4,723,363.20
  4. Step 4: Simplify right side
    8,314,838.40x = 58,930,591,300,623.37
  5. Step 5: Solve for x
    x = 58,930,591,300,623.37/8,314,838.40
  6. Step 6: Final answer
    x = 7,087,400.68

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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.