Home / 20,157,601.60-30,236,402.40-11,973,410.20

Finding the Fourth Proportional to 20,157,601.60, 30,236,402.40 and 11,973,410.20

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Solution

The fourth proportional to 20,157,601.60, 30,236,402.40 and 11,973,410.20 is: 17,960,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,601.60 : 30,236,402.40 = 11,973,410.20 : x
  2. Step 2: Convert to fraction form
    20,157,601.60/30,236,402.40 = 11,973,410.20/x
  3. Step 3: Cross multiply
    20,157,601.60x = 30,236,402.40 × 11,973,410.20
  4. Step 4: Simplify right side
    20,157,601.60x = 362,032,848,907,464.44
  5. Step 5: Solve for x
    x = 362,032,848,907,464.44/20,157,601.60
  6. Step 6: Final answer
    x = 17,960,115.30

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1.5x scale

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.