Home / 12,639,224.85-17,441,136.89-7,743,781.35

Finding the Fourth Proportional to 12,639,224.85, 17,441,136.89 and 7,743,781.35

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Solution

The fourth proportional to 12,639,224.85, 17,441,136.89 and 7,743,781.35 is: 10,685,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,224.85 : 17,441,136.89 = 7,743,781.35 : x
  2. Step 2: Convert to fraction form
    12,639,224.85/17,441,136.89 = 7,743,781.35/x
  3. Step 3: Cross multiply
    12,639,224.85x = 17,441,136.89 × 7,743,781.35
  4. Step 4: Simplify right side
    12,639,224.85x = 135,060,350,496,495.03
  5. Step 5: Solve for x
    x = 135,060,350,496,495.03/12,639,224.85
  6. Step 6: Final answer
    x = 10,685,809.62

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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.