Home / 13,122,021.45-18,328,314.75-13,122,021.45

Finding the Fourth Proportional to 13,122,021.45, 18,328,314.75 and 13,122,021.45

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Solution

The fourth proportional to 13,122,021.45, 18,328,314.75 and 13,122,021.45 is: 18,328,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,021.45 : 18,328,314.75 = 13,122,021.45 : x
  2. Step 2: Convert to fraction form
    13,122,021.45/18,328,314.75 = 13,122,021.45/x
  3. Step 3: Cross multiply
    13,122,021.45x = 18,328,314.75 × 13,122,021.45
  4. Step 4: Simplify right side
    13,122,021.45x = 240,504,539,291,851.38
  5. Step 5: Solve for x
    x = 240,504,539,291,851.38/13,122,021.45
  6. Step 6: Final answer
    x = 18,328,314.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.