Home / 8,315,381.22-12,470,906.70-3,520,602.42

Finding the Fourth Proportional to 8,315,381.22, 12,470,906.70 and 3,520,602.42

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Solution

The fourth proportional to 8,315,381.22, 12,470,906.70 and 3,520,602.42 is: 5,279,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,381.22 : 12,470,906.70 = 3,520,602.42 : x
  2. Step 2: Convert to fraction form
    8,315,381.22/12,470,906.70 = 3,520,602.42/x
  3. Step 3: Cross multiply
    8,315,381.22x = 12,470,906.70 × 3,520,602.42
  4. Step 4: Simplify right side
    8,315,381.22x = 43,905,104,307,614.21
  5. Step 5: Solve for x
    x = 43,905,104,307,614.21/8,315,381.22
  6. Step 6: Final answer
    x = 5,279,986.95

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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.