Home / 11,628,911.90-17,443,848.82-3,431,554.22

Finding the Fourth Proportional to 11,628,911.90, 17,443,848.82 and 3,431,554.22

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Solution

The fourth proportional to 11,628,911.90, 17,443,848.82 and 3,431,554.22 is: 5,147,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628,911.90 : 17,443,848.82 = 3,431,554.22 : x
  2. Step 2: Convert to fraction form
    11,628,911.90/17,443,848.82 = 3,431,554.22/x
  3. Step 3: Cross multiply
    11,628,911.90x = 17,443,848.82 × 3,431,554.22
  4. Step 4: Simplify right side
    11,628,911.90x = 59,859,513,031,313.02
  5. Step 5: Solve for x
    x = 59,859,513,031,313.02/11,628,911.90
  6. Step 6: Final answer
    x = 5,147,473.26

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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.