Home / 8,478,957.40-12,701,847.30-5,103,136.60

Finding the Fourth Proportional to 8,478,957.40, 12,701,847.30 and 5,103,136.60

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Solution

The fourth proportional to 8,478,957.40, 12,701,847.30 and 5,103,136.60 is: 7,644,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,957.40 : 12,701,847.30 = 5,103,136.60 : x
  2. Step 2: Convert to fraction form
    8,478,957.40/12,701,847.30 = 5,103,136.60/x
  3. Step 3: Cross multiply
    8,478,957.40x = 12,701,847.30 × 5,103,136.60
  4. Step 4: Simplify right side
    8,478,957.40x = 64,819,261,844,241.18
  5. Step 5: Solve for x
    x = 64,819,261,844,241.18/8,478,957.40
  6. Step 6: Final answer
    x = 7,644,720.78

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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.