Home / 8,503,766.80-12,748,096.80-3,315,180.32

Finding the Fourth Proportional to 8,503,766.80, 12,748,096.80 and 3,315,180.32

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Solution

The fourth proportional to 8,503,766.80, 12,748,096.80 and 3,315,180.32 is: 4,969,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,766.80 : 12,748,096.80 = 3,315,180.32 : x
  2. Step 2: Convert to fraction form
    8,503,766.80/12,748,096.80 = 3,315,180.32/x
  3. Step 3: Cross multiply
    8,503,766.80x = 12,748,096.80 × 3,315,180.32
  4. Step 4: Simplify right side
    8,503,766.80x = 42,262,239,628,814.98
  5. Step 5: Solve for x
    x = 42,262,239,628,814.98/8,503,766.80
  6. Step 6: Final answer
    x = 4,969,825.80

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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.