Home / 8,194,273.20-12,280,912.20-7,291,479.60

Finding the Fourth Proportional to 8,194,273.20, 12,280,912.20 and 7,291,479.60

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Solution

The fourth proportional to 8,194,273.20, 12,280,912.20 and 7,291,479.60 is: 10,927,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,273.20 : 12,280,912.20 = 7,291,479.60 : x
  2. Step 2: Convert to fraction form
    8,194,273.20/12,280,912.20 = 7,291,479.60/x
  3. Step 3: Cross multiply
    8,194,273.20x = 12,280,912.20 × 7,291,479.60
  4. Step 4: Simplify right side
    8,194,273.20x = 89,546,020,775,691.11
  5. Step 5: Solve for x
    x = 89,546,020,775,691.11/8,194,273.20
  6. Step 6: Final answer
    x = 10,927,878.36

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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.