Home / 12,476,816.36-17,210,822.56-7,511,805.80

Finding the Fourth Proportional to 12,476,816.36, 17,210,822.56 and 7,511,805.80

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Solution

The fourth proportional to 12,476,816.36, 17,210,822.56 and 7,511,805.80 is: 10,361,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,816.36 : 17,210,822.56 = 7,511,805.80 : x
  2. Step 2: Convert to fraction form
    12,476,816.36/17,210,822.56 = 7,511,805.80/x
  3. Step 3: Cross multiply
    12,476,816.36x = 17,210,822.56 × 7,511,805.80
  4. Step 4: Simplify right side
    12,476,816.36x = 129,284,356,728,978.83
  5. Step 5: Solve for x
    x = 129,284,356,728,978.83/12,476,816.36
  6. Step 6: Final answer
    x = 10,361,966.79

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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.