Home / 16,853,622.05-25,213,916.82-12,986,144.22

Finding the Fourth Proportional to 16,853,622.05, 25,213,916.82 and 12,986,144.22

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Solution

The fourth proportional to 16,853,622.05, 25,213,916.82 and 12,986,144.22 is: 19,427,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853,622.05 : 25,213,916.82 = 12,986,144.22 : x
  2. Step 2: Convert to fraction form
    16,853,622.05/25,213,916.82 = 12,986,144.22/x
  3. Step 3: Cross multiply
    16,853,622.05x = 25,213,916.82 × 12,986,144.22
  4. Step 4: Simplify right side
    16,853,622.05x = 327,431,560,175,603.81
  5. Step 5: Solve for x
    x = 327,431,560,175,603.81/16,853,622.05
  6. Step 6: Final answer
    x = 19,427,963.87

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1.5x scale

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.