Home / 18,268,916.50-25,204,897.38-10,422,792.22

Finding the Fourth Proportional to 18,268,916.50, 25,204,897.38 and 10,422,792.22

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Solution

The fourth proportional to 18,268,916.50, 25,204,897.38 and 10,422,792.22 is: 14,379,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268,916.50 : 25,204,897.38 = 10,422,792.22 : x
  2. Step 2: Convert to fraction form
    18,268,916.50/25,204,897.38 = 10,422,792.22/x
  3. Step 3: Cross multiply
    18,268,916.50x = 25,204,897.38 × 10,422,792.22
  4. Step 4: Simplify right side
    18,268,916.50x = 262,705,408,318,162.38
  5. Step 5: Solve for x
    x = 262,705,408,318,162.38/18,268,916.50
  6. Step 6: Final answer
    x = 14,379,911.82

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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.