Home / 7,760,287.80-11,641,844.06-2,642,456.16

Finding the Fourth Proportional to 7,760,287.80, 11,641,844.06 and 2,642,456.16

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Solution

The fourth proportional to 7,760,287.80, 11,641,844.06 and 2,642,456.16 is: 3,964,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,287.80 : 11,641,844.06 = 2,642,456.16 : x
  2. Step 2: Convert to fraction form
    7,760,287.80/11,641,844.06 = 2,642,456.16/x
  3. Step 3: Cross multiply
    7,760,287.80x = 11,641,844.06 × 2,642,456.16
  4. Step 4: Simplify right side
    7,760,287.80x = 30,763,062,550,106.41
  5. Step 5: Solve for x
    x = 30,763,062,550,106.41/7,760,287.80
  6. Step 6: Final answer
    x = 3,964,165.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.