Home / 19,263,918.56-28,892,801.92-5,613,872.04

Finding the Fourth Proportional to 19,263,918.56, 28,892,801.92 and 5,613,872.04

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Solution

The fourth proportional to 19,263,918.56, 28,892,801.92 and 5,613,872.04 is: 8,419,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263,918.56 : 28,892,801.92 = 5,613,872.04 : x
  2. Step 2: Convert to fraction form
    19,263,918.56/28,892,801.92 = 5,613,872.04/x
  3. Step 3: Cross multiply
    19,263,918.56x = 28,892,801.92 × 5,613,872.04
  4. Step 4: Simplify right side
    19,263,918.56x = 162,200,492,855,946.31
  5. Step 5: Solve for x
    x = 162,200,492,855,946.31/19,263,918.56
  6. Step 6: Final answer
    x = 8,419,911.68

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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.