Home / 13,214,497.20-19,821,745.80-9,855,265.20

Finding the Fourth Proportional to 13,214,497.20, 19,821,745.80 and 9,855,265.20

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Solution

The fourth proportional to 13,214,497.20, 19,821,745.80 and 9,855,265.20 is: 14,782,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,497.20 : 19,821,745.80 = 9,855,265.20 : x
  2. Step 2: Convert to fraction form
    13,214,497.20/19,821,745.80 = 9,855,265.20/x
  3. Step 3: Cross multiply
    13,214,497.20x = 19,821,745.80 × 9,855,265.20
  4. Step 4: Simplify right side
    13,214,497.20x = 195,348,561,585,986.16
  5. Step 5: Solve for x
    x = 195,348,561,585,986.16/13,214,497.20
  6. Step 6: Final answer
    x = 14,782,897.80

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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.