Home / 8,633,361.42-12,942,421.61-3,520,068.57

Finding the Fourth Proportional to 8,633,361.42, 12,942,421.61 and 3,520,068.57

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Solution

The fourth proportional to 8,633,361.42, 12,942,421.61 and 3,520,068.57 is: 5,276,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633,361.42 : 12,942,421.61 = 3,520,068.57 : x
  2. Step 2: Convert to fraction form
    8,633,361.42/12,942,421.61 = 3,520,068.57/x
  3. Step 3: Cross multiply
    8,633,361.42x = 12,942,421.61 × 3,520,068.57
  4. Step 4: Simplify right side
    8,633,361.42x = 45,558,211,511,449.45
  5. Step 5: Solve for x
    x = 45,558,211,511,449.45/8,633,361.42
  6. Step 6: Final answer
    x = 5,276,995.75

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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.