Home / 12,388,643.55-17,096,812.97-8,476,604.78

Finding the Fourth Proportional to 12,388,643.55, 17,096,812.97 and 8,476,604.78

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Solution

The fourth proportional to 12,388,643.55, 17,096,812.97 and 8,476,604.78 is: 11,698,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,643.55 : 17,096,812.97 = 8,476,604.78 : x
  2. Step 2: Convert to fraction form
    12,388,643.55/17,096,812.97 = 8,476,604.78/x
  3. Step 3: Cross multiply
    12,388,643.55x = 17,096,812.97 × 8,476,604.78
  4. Step 4: Simplify right side
    12,388,643.55x = 144,922,926,416,400.91
  5. Step 5: Solve for x
    x = 144,922,926,416,400.91/12,388,643.55
  6. Step 6: Final answer
    x = 11,698,046.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.