Home / 37,541,580-51,807,380.40-20,372,172

Finding the Fourth Proportional to 37,541,580, 51,807,380.40 and 20,372,172

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Solution

The fourth proportional to 37,541,580, 51,807,380.40 and 20,372,172 is: 28,113,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,541,580 : 51,807,380.40 = 20,372,172 : x
  2. Step 2: Convert to fraction form
    37,541,580/51,807,380.40 = 20,372,172/x
  3. Step 3: Cross multiply
    37,541,580x = 51,807,380.40 × 20,372,172
  4. Step 4: Simplify right side
    37,541,580x = 1,055,428,864,378,228.75
  5. Step 5: Solve for x
    x = 1,055,428,864,378,228.75/37,541,580
  6. Step 6: Final answer
    x = 28,113,597.36

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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.