Home / 13,321,635.16-18,384,302.30-8,164,000.68

Finding the Fourth Proportional to 13,321,635.16, 18,384,302.30 and 8,164,000.68

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Solution

The fourth proportional to 13,321,635.16, 18,384,302.30 and 8,164,000.68 is: 11,266,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,635.16 : 18,384,302.30 = 8,164,000.68 : x
  2. Step 2: Convert to fraction form
    13,321,635.16/18,384,302.30 = 8,164,000.68/x
  3. Step 3: Cross multiply
    13,321,635.16x = 18,384,302.30 × 8,164,000.68
  4. Step 4: Simplify right side
    13,321,635.16x = 150,089,456,478,525.56
  5. Step 5: Solve for x
    x = 150,089,456,478,525.56/13,321,635.16
  6. Step 6: Final answer
    x = 11,266,594.13

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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.