Home / 37,129,911.39-51,236,712.63-20,608,736.25

Finding the Fourth Proportional to 37,129,911.39, 51,236,712.63 and 20,608,736.25

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Solution

The fourth proportional to 37,129,911.39, 51,236,712.63 and 20,608,736.25 is: 28,438,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129,911.39 : 51,236,712.63 = 20,608,736.25 : x
  2. Step 2: Convert to fraction form
    37,129,911.39/51,236,712.63 = 20,608,736.25/x
  3. Step 3: Cross multiply
    37,129,911.39x = 51,236,712.63 × 20,608,736.25
  4. Step 4: Simplify right side
    37,129,911.39x = 1,055,923,896,908,713.88
  5. Step 5: Solve for x
    x = 1,055,923,896,908,713.88/37,129,911.39
  6. Step 6: Final answer
    x = 28,438,632.29

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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.