Home / 37,511,998.44-51,768,739.48-20,991,980.40

Finding the Fourth Proportional to 37,511,998.44, 51,768,739.48 and 20,991,980.40

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Solution

The fourth proportional to 37,511,998.44, 51,768,739.48 and 20,991,980.40 is: 28,970,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511,998.44 : 51,768,739.48 = 20,991,980.40 : x
  2. Step 2: Convert to fraction form
    37,511,998.44/51,768,739.48 = 20,991,980.40/x
  3. Step 3: Cross multiply
    37,511,998.44x = 51,768,739.48 × 20,991,980.40
  4. Step 4: Simplify right side
    37,511,998.44x = 1,086,728,364,496,866
  5. Step 5: Solve for x
    x = 1,086,728,364,496,866/37,511,998.44
  6. Step 6: Final answer
    x = 28,970,153.81

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1.5x scale

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.