Home / 31,055,012.80-46,591,160.48-13,549,100.64

Finding the Fourth Proportional to 31,055,012.80, 46,591,160.48 and 13,549,100.64

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Solution

The fourth proportional to 31,055,012.80, 46,591,160.48 and 13,549,100.64 is: 20,327,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055,012.80 : 46,591,160.48 = 13,549,100.64 : x
  2. Step 2: Convert to fraction form
    31,055,012.80/46,591,160.48 = 13,549,100.64/x
  3. Step 3: Cross multiply
    31,055,012.80x = 46,591,160.48 × 13,549,100.64
  4. Step 4: Simplify right side
    31,055,012.80x = 631,268,322,277,910.75
  5. Step 5: Solve for x
    x = 631,268,322,277,910.75/31,055,012.80
  6. Step 6: Final answer
    x = 20,327,421.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.