Home / 37,260,876.39-51,419,999.21-20,740,642.89

Finding the Fourth Proportional to 37,260,876.39, 51,419,999.21 and 20,740,642.89

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Solution

The fourth proportional to 37,260,876.39, 51,419,999.21 and 20,740,642.89 is: 28,622,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260,876.39 : 51,419,999.21 = 20,740,642.89 : x
  2. Step 2: Convert to fraction form
    37,260,876.39/51,419,999.21 = 20,740,642.89/x
  3. Step 3: Cross multiply
    37,260,876.39x = 51,419,999.21 × 20,740,642.89
  4. Step 4: Simplify right side
    37,260,876.39x = 1,066,483,841,018,692.12
  5. Step 5: Solve for x
    x = 1,066,483,841,018,692.12/37,260,876.39
  6. Step 6: Final answer
    x = 28,622,081.51

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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.