Home / 21,311,693.36-29,409,539.60-11,653,694

Finding the Fourth Proportional to 21,311,693.36, 29,409,539.60 and 11,653,694

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Solution

The fourth proportional to 21,311,693.36, 29,409,539.60 and 11,653,694 is: 16,081,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,693.36 : 29,409,539.60 = 11,653,694 : x
  2. Step 2: Convert to fraction form
    21,311,693.36/29,409,539.60 = 11,653,694/x
  3. Step 3: Cross multiply
    21,311,693.36x = 29,409,539.60 × 11,653,694
  4. Step 4: Simplify right side
    21,311,693.36x = 342,729,775,179,282.44
  5. Step 5: Solve for x
    x = 342,729,775,179,282.44/21,311,693.36
  6. Step 6: Final answer
    x = 16,081,771.14

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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.