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Finding the Fourth Proportional to 5,865,344.40, 8,222,679.60 and 5,865,344.40

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Solution

The fourth proportional to 5,865,344.40, 8,222,679.60 and 5,865,344.40 is: 8,222,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865,344.40 : 8,222,679.60 = 5,865,344.40 : x
  2. Step 2: Convert to fraction form
    5,865,344.40/8,222,679.60 = 5,865,344.40/x
  3. Step 3: Cross multiply
    5,865,344.40x = 8,222,679.60 × 5,865,344.40
  4. Step 4: Simplify right side
    5,865,344.40x = 48,228,847,744,854.24
  5. Step 5: Solve for x
    x = 48,228,847,744,854.24/5,865,344.40
  6. Step 6: Final answer
    x = 8,222,679.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.