Home / 8,318,028.20-12,477,042.30-4,722,405.80

Finding the Fourth Proportional to 8,318,028.20, 12,477,042.30 and 4,722,405.80

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Solution

The fourth proportional to 8,318,028.20, 12,477,042.30 and 4,722,405.80 is: 7,083,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,028.20 : 12,477,042.30 = 4,722,405.80 : x
  2. Step 2: Convert to fraction form
    8,318,028.20/12,477,042.30 = 4,722,405.80/x
  3. Step 3: Cross multiply
    8,318,028.20x = 12,477,042.30 × 4,722,405.80
  4. Step 4: Simplify right side
    8,318,028.20x = 58,921,656,924,365.34
  5. Step 5: Solve for x
    x = 58,921,656,924,365.34/8,318,028.20
  6. Step 6: Final answer
    x = 7,083,608.70

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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.