Home / 12,821,968.65-17,694,345.38-6,941,664.80

Finding the Fourth Proportional to 12,821,968.65, 17,694,345.38 and 6,941,664.80

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Solution

The fourth proportional to 12,821,968.65, 17,694,345.38 and 6,941,664.80 is: 9,579,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,968.65 : 17,694,345.38 = 6,941,664.80 : x
  2. Step 2: Convert to fraction form
    12,821,968.65/17,694,345.38 = 6,941,664.80/x
  3. Step 3: Cross multiply
    12,821,968.65x = 17,694,345.38 × 6,941,664.80
  4. Step 4: Simplify right side
    12,821,968.65x = 122,828,214,526,093.06
  5. Step 5: Solve for x
    x = 122,828,214,526,093.06/12,821,968.65
  6. Step 6: Final answer
    x = 9,579,512.94

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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.