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Finding the Fourth Proportional to 8,986,522.60, 13,479,783.90 and 5,963,213.80

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Solution

The fourth proportional to 8,986,522.60, 13,479,783.90 and 5,963,213.80 is: 8,944,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,522.60 : 13,479,783.90 = 5,963,213.80 : x
  2. Step 2: Convert to fraction form
    8,986,522.60/13,479,783.90 = 5,963,213.80/x
  3. Step 3: Cross multiply
    8,986,522.60x = 13,479,783.90 × 5,963,213.80
  4. Step 4: Simplify right side
    8,986,522.60x = 80,382,833,373,497.81
  5. Step 5: Solve for x
    x = 80,382,833,373,497.81/8,986,522.60
  6. Step 6: Final answer
    x = 8,944,820.70

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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.