Home / 9,420,136.20-12,999,046.86-5,345,755.20

Finding the Fourth Proportional to 9,420,136.20, 12,999,046.86 and 5,345,755.20

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Solution

The fourth proportional to 9,420,136.20, 12,999,046.86 and 5,345,755.20 is: 7,376,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,136.20 : 12,999,046.86 = 5,345,755.20 : x
  2. Step 2: Convert to fraction form
    9,420,136.20/12,999,046.86 = 5,345,755.20/x
  3. Step 3: Cross multiply
    9,420,136.20x = 12,999,046.86 × 5,345,755.20
  4. Step 4: Simplify right side
    9,420,136.20x = 69,489,722,346,888.67
  5. Step 5: Solve for x
    x = 69,489,722,346,888.67/9,420,136.20
  6. Step 6: Final answer
    x = 7,376,721.62

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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.