Home / 37,936,578.78-52,346,906.49-21,189,254.70

Finding the Fourth Proportional to 37,936,578.78, 52,346,906.49 and 21,189,254.70

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Solution

The fourth proportional to 37,936,578.78, 52,346,906.49 and 21,189,254.70 is: 29,238,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,936,578.78 : 52,346,906.49 = 21,189,254.70 : x
  2. Step 2: Convert to fraction form
    37,936,578.78/52,346,906.49 = 21,189,254.70/x
  3. Step 3: Cross multiply
    37,936,578.78x = 52,346,906.49 × 21,189,254.70
  4. Step 4: Simplify right side
    37,936,578.78x = 1,109,191,934,373,693
  5. Step 5: Solve for x
    x = 1,109,191,934,373,693/37,936,578.78
  6. Step 6: Final answer
    x = 29,238,059.15

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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.