Home / 13,321,635.42-18,384,302.66-8,164,000.92

Finding the Fourth Proportional to 13,321,635.42, 18,384,302.66 and 8,164,000.92

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Solution

The fourth proportional to 13,321,635.42, 18,384,302.66 and 8,164,000.92 is: 11,266,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,635.42 : 18,384,302.66 = 8,164,000.92 : x
  2. Step 2: Convert to fraction form
    13,321,635.42/18,384,302.66 = 8,164,000.92/x
  3. Step 3: Cross multiply
    13,321,635.42x = 18,384,302.66 × 8,164,000.92
  4. Step 4: Simplify right side
    13,321,635.42x = 150,089,463,788,978.44
  5. Step 5: Solve for x
    x = 150,089,463,788,978.44/13,321,635.42
  6. Step 6: Final answer
    x = 11,266,594.46

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1.5x scale

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.