Home / 21,871,611.90-30,183,077.70-12,081,853.26

Finding the Fourth Proportional to 21,871,611.90, 30,183,077.70 and 12,081,853.26

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Solution

The fourth proportional to 21,871,611.90, 30,183,077.70 and 12,081,853.26 is: 16,673,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,611.90 : 30,183,077.70 = 12,081,853.26 : x
  2. Step 2: Convert to fraction form
    21,871,611.90/30,183,077.70 = 12,081,853.26/x
  3. Step 3: Cross multiply
    21,871,611.90x = 30,183,077.70 × 12,081,853.26
  4. Step 4: Simplify right side
    21,871,611.90x = 364,667,515,706,578.31
  5. Step 5: Solve for x
    x = 364,667,515,706,578.31/21,871,611.90
  6. Step 6: Final answer
    x = 16,673,097.41

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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.