Home / 21,914,292.47-30,234,379.77-12,621,676.46

Finding the Fourth Proportional to 21,914,292.47, 30,234,379.77 and 12,621,676.46

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Solution

The fourth proportional to 21,914,292.47, 30,234,379.77 and 12,621,676.46 is: 17,413,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914,292.47 : 30,234,379.77 = 12,621,676.46 : x
  2. Step 2: Convert to fraction form
    21,914,292.47/30,234,379.77 = 12,621,676.46/x
  3. Step 3: Cross multiply
    21,914,292.47x = 30,234,379.77 × 12,621,676.46
  4. Step 4: Simplify right side
    21,914,292.47x = 381,608,559,274,537.31
  5. Step 5: Solve for x
    x = 381,608,559,274,537.31/21,914,292.47
  6. Step 6: Final answer
    x = 17,413,683.78

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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.