Home / 27,209,739.52-37,552,089.60-20,322,261.76

Finding the Fourth Proportional to 27,209,739.52, 37,552,089.60 and 20,322,261.76

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Solution

The fourth proportional to 27,209,739.52, 37,552,089.60 and 20,322,261.76 is: 28,046,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209,739.52 : 37,552,089.60 = 20,322,261.76 : x
  2. Step 2: Convert to fraction form
    27,209,739.52/37,552,089.60 = 20,322,261.76/x
  3. Step 3: Cross multiply
    27,209,739.52x = 37,552,089.60 × 20,322,261.76
  4. Step 4: Simplify right side
    27,209,739.52x = 763,143,394,486,173.75
  5. Step 5: Solve for x
    x = 763,143,394,486,173.75/27,209,739.52
  6. Step 6: Final answer
    x = 28,046,699.75

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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.