Home / 8,354,964.21-12,529,895.04-5,777,834.84

Finding the Fourth Proportional to 8,354,964.21, 12,529,895.04 and 5,777,834.84

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Solution

The fourth proportional to 8,354,964.21, 12,529,895.04 and 5,777,834.84 is: 8,664,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354,964.21 : 12,529,895.04 = 5,777,834.84 : x
  2. Step 2: Convert to fraction form
    8,354,964.21/12,529,895.04 = 5,777,834.84/x
  3. Step 3: Cross multiply
    8,354,964.21x = 12,529,895.04 × 5,777,834.84
  4. Step 4: Simplify right side
    8,354,964.21x = 72,395,664,142,220.44
  5. Step 5: Solve for x
    x = 72,395,664,142,220.44/8,354,964.21
  6. Step 6: Final answer
    x = 8,664,987.95

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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.