Home / 13,321,638.67-18,384,307.14-8,164,004.17

Finding the Fourth Proportional to 13,321,638.67, 18,384,307.14 and 8,164,004.17

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Solution

The fourth proportional to 13,321,638.67, 18,384,307.14 and 8,164,004.17 is: 11,266,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,638.67 : 18,384,307.14 = 8,164,004.17 : x
  2. Step 2: Convert to fraction form
    13,321,638.67/18,384,307.14 = 8,164,004.17/x
  3. Step 3: Cross multiply
    13,321,638.67x = 18,384,307.14 × 8,164,004.17
  4. Step 4: Simplify right side
    13,321,638.67x = 150,089,560,153,520.78
  5. Step 5: Solve for x
    x = 150,089,560,153,520.78/13,321,638.67
  6. Step 6: Final answer
    x = 11,266,598.94

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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.