Home / 8,275,852.20-12,385,784.70-7,268,082.60

Finding the Fourth Proportional to 8,275,852.20, 12,385,784.70 and 7,268,082.60

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Solution

The fourth proportional to 8,275,852.20, 12,385,784.70 and 7,268,082.60 is: 10,877,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,852.20 : 12,385,784.70 = 7,268,082.60 : x
  2. Step 2: Convert to fraction form
    8,275,852.20/12,385,784.70 = 7,268,082.60/x
  3. Step 3: Cross multiply
    8,275,852.20x = 12,385,784.70 × 7,268,082.60
  4. Step 4: Simplify right side
    8,275,852.20x = 90,020,906,265,416.20
  5. Step 5: Solve for x
    x = 90,020,906,265,416.20/8,275,852.20
  6. Step 6: Final answer
    x = 10,877,539.15

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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.