Home / 8,309,212.20-12,470,816.70-3,264,143.40

Finding the Fourth Proportional to 8,309,212.20, 12,470,816.70 and 3,264,143.40

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Solution

The fourth proportional to 8,309,212.20, 12,470,816.70 and 3,264,143.40 is: 4,898,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,212.20 : 12,470,816.70 = 3,264,143.40 : x
  2. Step 2: Convert to fraction form
    8,309,212.20/12,470,816.70 = 3,264,143.40/x
  3. Step 3: Cross multiply
    8,309,212.20x = 12,470,816.70 × 3,264,143.40
  4. Step 4: Simplify right side
    8,309,212.20x = 40,706,534,023,914.77
  5. Step 5: Solve for x
    x = 40,706,534,023,914.77/8,309,212.20
  6. Step 6: Final answer
    x = 4,898,964.31

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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.