Home / 13,321,636.30-18,384,303.86-8,164,001.80

Finding the Fourth Proportional to 13,321,636.30, 18,384,303.86 and 8,164,001.80

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Solution

The fourth proportional to 13,321,636.30, 18,384,303.86 and 8,164,001.80 is: 11,266,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,636.30 : 18,384,303.86 = 8,164,001.80 : x
  2. Step 2: Convert to fraction form
    13,321,636.30/18,384,303.86 = 8,164,001.80/x
  3. Step 3: Cross multiply
    13,321,636.30x = 18,384,303.86 × 8,164,001.80
  4. Step 4: Simplify right side
    13,321,636.30x = 150,089,489,804,786.94
  5. Step 5: Solve for x
    x = 150,089,489,804,786.94/13,321,636.30
  6. Step 6: Final answer
    x = 11,266,595.67

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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.