Home / 7,268,136.40-10,902,204.60-2,219,438.80

Finding the Fourth Proportional to 7,268,136.40, 10,902,204.60 and 2,219,438.80

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Solution

The fourth proportional to 7,268,136.40, 10,902,204.60 and 2,219,438.80 is: 3,329,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,136.40 : 10,902,204.60 = 2,219,438.80 : x
  2. Step 2: Convert to fraction form
    7,268,136.40/10,902,204.60 = 2,219,438.80/x
  3. Step 3: Cross multiply
    7,268,136.40x = 10,902,204.60 × 2,219,438.80
  4. Step 4: Simplify right side
    7,268,136.40x = 24,196,775,894,778.48
  5. Step 5: Solve for x
    x = 24,196,775,894,778.48/7,268,136.40
  6. Step 6: Final answer
    x = 3,329,158.20

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Similar ratio
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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.