Home / 38,032,928.28-52,485,055.20-20,628,899.64

Finding the Fourth Proportional to 38,032,928.28, 52,485,055.20 and 20,628,899.64

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Solution

The fourth proportional to 38,032,928.28, 52,485,055.20 and 20,628,899.64 is: 28,467,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,032,928.28 : 52,485,055.20 = 20,628,899.64 : x
  2. Step 2: Convert to fraction form
    38,032,928.28/52,485,055.20 = 20,628,899.64/x
  3. Step 3: Cross multiply
    38,032,928.28x = 52,485,055.20 × 20,628,899.64
  4. Step 4: Simplify right side
    38,032,928.28x = 1,082,708,936,320,660.25
  5. Step 5: Solve for x
    x = 1,082,708,936,320,660.25/38,032,928.28
  6. Step 6: Final answer
    x = 28,467,672.23

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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.