Home / 12,288,301.20-18,432,451.80-12,089,235.60

Finding the Fourth Proportional to 12,288,301.20, 18,432,451.80 and 12,089,235.60

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Solution

The fourth proportional to 12,288,301.20, 18,432,451.80 and 12,089,235.60 is: 18,133,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,301.20 : 18,432,451.80 = 12,089,235.60 : x
  2. Step 2: Convert to fraction form
    12,288,301.20/18,432,451.80 = 12,089,235.60/x
  3. Step 3: Cross multiply
    12,288,301.20x = 18,432,451.80 × 12,089,235.60
  4. Step 4: Simplify right side
    12,288,301.20x = 222,834,252,495,844.09
  5. Step 5: Solve for x
    x = 222,834,252,495,844.09/12,288,301.20
  6. Step 6: Final answer
    x = 18,133,853.40

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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.