Home / 13,296,987.15-19,945,480.73-12,765,546.15

Finding the Fourth Proportional to 13,296,987.15, 19,945,480.73 and 12,765,546.15

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Solution

The fourth proportional to 13,296,987.15, 19,945,480.73 and 12,765,546.15 is: 19,148,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,987.15 : 19,945,480.73 = 12,765,546.15 : x
  2. Step 2: Convert to fraction form
    13,296,987.15/19,945,480.73 = 12,765,546.15/x
  3. Step 3: Cross multiply
    13,296,987.15x = 19,945,480.73 × 12,765,546.15
  4. Step 4: Simplify right side
    13,296,987.15x = 254,614,954,678,923
  5. Step 5: Solve for x
    x = 254,614,954,678,923/13,296,987.15
  6. Step 6: Final answer
    x = 19,148,319.23

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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.