Home / 8,858,975.20-13,280,168.40-6,938,821.60

Finding the Fourth Proportional to 8,858,975.20, 13,280,168.40 and 6,938,821.60

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Solution

The fourth proportional to 8,858,975.20, 13,280,168.40 and 6,938,821.60 is: 10,401,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,975.20 : 13,280,168.40 = 6,938,821.60 : x
  2. Step 2: Convert to fraction form
    8,858,975.20/13,280,168.40 = 6,938,821.60/x
  3. Step 3: Cross multiply
    8,858,975.20x = 13,280,168.40 × 6,938,821.60
  4. Step 4: Simplify right side
    8,858,975.20x = 92,148,719,345,557.44
  5. Step 5: Solve for x
    x = 92,148,719,345,557.44/8,858,975.20
  6. Step 6: Final answer
    x = 10,401,735.78

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1.5x scale

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.