Home / 8,315,380.85-12,470,906.14-3,520,602.05

Finding the Fourth Proportional to 8,315,380.85, 12,470,906.14 and 3,520,602.05

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Solution

The fourth proportional to 8,315,380.85, 12,470,906.14 and 3,520,602.05 is: 5,279,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,380.85 : 12,470,906.14 = 3,520,602.05 : x
  2. Step 2: Convert to fraction form
    8,315,380.85/12,470,906.14 = 3,520,602.05/x
  3. Step 3: Cross multiply
    8,315,380.85x = 12,470,906.14 × 3,520,602.05
  4. Step 4: Simplify right side
    8,315,380.85x = 43,905,097,650,685.55
  5. Step 5: Solve for x
    x = 43,905,097,650,685.55/8,315,380.85
  6. Step 6: Final answer
    x = 5,279,986.39

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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.