Home / 12,341,614.80-18,512,422.20-12,089,672.40

Finding the Fourth Proportional to 12,341,614.80, 18,512,422.20 and 12,089,672.40

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Solution

The fourth proportional to 12,341,614.80, 18,512,422.20 and 12,089,672.40 is: 18,134,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341,614.80 : 18,512,422.20 = 12,089,672.40 : x
  2. Step 2: Convert to fraction form
    12,341,614.80/18,512,422.20 = 12,089,672.40/x
  3. Step 3: Cross multiply
    12,341,614.80x = 18,512,422.20 × 12,089,672.40
  4. Step 4: Simplify right side
    12,341,614.80x = 223,809,119,728,487.28
  5. Step 5: Solve for x
    x = 223,809,119,728,487.28/12,341,614.80
  6. Step 6: Final answer
    x = 18,134,508.60

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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.