Home / 8,521,991.93-11,752,560-6,661,653.19

Finding the Fourth Proportional to 8,521,991.93, 11,752,560 and 6,661,653.19

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Solution

The fourth proportional to 8,521,991.93, 11,752,560 and 6,661,653.19 is: 9,186,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,991.93 : 11,752,560 = 6,661,653.19 : x
  2. Step 2: Convert to fraction form
    8,521,991.93/11,752,560 = 6,661,653.19/x
  3. Step 3: Cross multiply
    8,521,991.93x = 11,752,560 × 6,661,653.19
  4. Step 4: Simplify right side
    8,521,991.93x = 78,291,478,785,285
  5. Step 5: Solve for x
    x = 78,291,478,785,285/8,521,991.93
  6. Step 6: Final answer
    x = 9,186,992.83

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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.