Home / 12,097,135.60-18,145,703.40-4,118,959.60

Finding the Fourth Proportional to 12,097,135.60, 18,145,703.40 and 4,118,959.60

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Solution

The fourth proportional to 12,097,135.60, 18,145,703.40 and 4,118,959.60 is: 6,178,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,135.60 : 18,145,703.40 = 4,118,959.60 : x
  2. Step 2: Convert to fraction form
    12,097,135.60/18,145,703.40 = 4,118,959.60/x
  3. Step 3: Cross multiply
    12,097,135.60x = 18,145,703.40 × 4,118,959.60
  4. Step 4: Simplify right side
    12,097,135.60x = 74,741,419,218,182.64
  5. Step 5: Solve for x
    x = 74,741,419,218,182.64/12,097,135.60
  6. Step 6: Final answer
    x = 6,178,439.40

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Similar ratio
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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.