Home / 12,685,396.85-17,496,802.66-11,642,179.40

Finding the Fourth Proportional to 12,685,396.85, 17,496,802.66 and 11,642,179.40

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Solution

The fourth proportional to 12,685,396.85, 17,496,802.66 and 11,642,179.40 is: 16,057,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,396.85 : 17,496,802.66 = 11,642,179.40 : x
  2. Step 2: Convert to fraction form
    12,685,396.85/17,496,802.66 = 11,642,179.40/x
  3. Step 3: Cross multiply
    12,685,396.85x = 17,496,802.66 × 11,642,179.40
  4. Step 4: Simplify right side
    12,685,396.85x = 203,700,915,440,369.34
  5. Step 5: Solve for x
    x = 203,700,915,440,369.34/12,685,396.85
  6. Step 6: Final answer
    x = 16,057,906.41

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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.