Home / 21,405,888.82-29,540,145.89-11,616,333.11

Finding the Fourth Proportional to 21,405,888.82, 29,540,145.89 and 11,616,333.11

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Solution

The fourth proportional to 21,405,888.82, 29,540,145.89 and 11,616,333.11 is: 16,030,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405,888.82 : 29,540,145.89 = 11,616,333.11 : x
  2. Step 2: Convert to fraction form
    21,405,888.82/29,540,145.89 = 11,616,333.11/x
  3. Step 3: Cross multiply
    21,405,888.82x = 29,540,145.89 × 11,616,333.11
  4. Step 4: Simplify right side
    21,405,888.82x = 343,148,174,570,455.06
  5. Step 5: Solve for x
    x = 343,148,174,570,455.06/21,405,888.82
  6. Step 6: Final answer
    x = 16,030,550.17

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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.