Home / 8,315,378.60-12,470,902.76-3,520,599.80

Finding the Fourth Proportional to 8,315,378.60, 12,470,902.76 and 3,520,599.80

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Solution

The fourth proportional to 8,315,378.60, 12,470,902.76 and 3,520,599.80 is: 5,279,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,378.60 : 12,470,902.76 = 3,520,599.80 : x
  2. Step 2: Convert to fraction form
    8,315,378.60/12,470,902.76 = 3,520,599.80/x
  3. Step 3: Cross multiply
    8,315,378.60x = 12,470,902.76 × 3,520,599.80
  4. Step 4: Simplify right side
    8,315,378.60x = 43,905,057,709,122.43
  5. Step 5: Solve for x
    x = 43,905,057,709,122.43/8,315,378.60
  6. Step 6: Final answer
    x = 5,279,983.01

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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.