Home / 17,419,266.42-26,129,916.60-5,289,125.61

Finding the Fourth Proportional to 17,419,266.42, 26,129,916.60 and 5,289,125.61

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Solution

The fourth proportional to 17,419,266.42, 26,129,916.60 and 5,289,125.61 is: 7,933,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,266.42 : 26,129,916.60 = 5,289,125.61 : x
  2. Step 2: Convert to fraction form
    17,419,266.42/26,129,916.60 = 5,289,125.61/x
  3. Step 3: Cross multiply
    17,419,266.42x = 26,129,916.60 × 5,289,125.61
  4. Step 4: Simplify right side
    17,419,266.42x = 138,204,411,076,224.14
  5. Step 5: Solve for x
    x = 138,204,411,076,224.14/17,419,266.42
  6. Step 6: Final answer
    x = 7,933,997.20

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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.