Home / 12,934,286.39-19,409,506.77-8,619,364.32

Finding the Fourth Proportional to 12,934,286.39, 19,409,506.77 and 8,619,364.32

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Solution

The fourth proportional to 12,934,286.39, 19,409,506.77 and 8,619,364.32 is: 12,934,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,286.39 : 19,409,506.77 = 8,619,364.32 : x
  2. Step 2: Convert to fraction form
    12,934,286.39/19,409,506.77 = 8,619,364.32/x
  3. Step 3: Cross multiply
    12,934,286.39x = 19,409,506.77 × 8,619,364.32
  4. Step 4: Simplify right side
    12,934,286.39x = 167,297,610,122,136.44
  5. Step 5: Solve for x
    x = 167,297,610,122,136.44/12,934,286.39
  6. Step 6: Final answer
    x = 12,934,429.09

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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.