Home / 21,031,832.25-29,024,015.99-11,374,040.25

Finding the Fourth Proportional to 21,031,832.25, 29,024,015.99 and 11,374,040.25

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Solution

The fourth proportional to 21,031,832.25, 29,024,015.99 and 11,374,040.25 is: 15,696,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,832.25 : 29,024,015.99 = 11,374,040.25 : x
  2. Step 2: Convert to fraction form
    21,031,832.25/29,024,015.99 = 11,374,040.25/x
  3. Step 3: Cross multiply
    21,031,832.25x = 29,024,015.99 × 11,374,040.25
  4. Step 4: Simplify right side
    21,031,832.25x = 330,120,326,030,033.38
  5. Step 5: Solve for x
    x = 330,120,326,030,033.38/21,031,832.25
  6. Step 6: Final answer
    x = 15,696,222.85

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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.