Home / 13,526,144.24-20,287,247.45-3,938,948.60

Finding the Fourth Proportional to 13,526,144.24, 20,287,247.45 and 3,938,948.60

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Solution

The fourth proportional to 13,526,144.24, 20,287,247.45 and 3,938,948.60 is: 5,907,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526,144.24 : 20,287,247.45 = 3,938,948.60 : x
  2. Step 2: Convert to fraction form
    13,526,144.24/20,287,247.45 = 3,938,948.60/x
  3. Step 3: Cross multiply
    13,526,144.24x = 20,287,247.45 × 3,938,948.60
  4. Step 4: Simplify right side
    13,526,144.24x = 79,910,424,819,900.09
  5. Step 5: Solve for x
    x = 79,910,424,819,900.09/13,526,144.24
  6. Step 6: Final answer
    x = 5,907,849.53

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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.