Home / 53,002,556.40-79,509,083.40-18,453,642.60

Finding the Fourth Proportional to 53,002,556.40, 79,509,083.40 and 18,453,642.60

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Solution

The fourth proportional to 53,002,556.40, 79,509,083.40 and 18,453,642.60 is: 27,682,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002,556.40 : 79,509,083.40 = 18,453,642.60 : x
  2. Step 2: Convert to fraction form
    53,002,556.40/79,509,083.40 = 18,453,642.60/x
  3. Step 3: Cross multiply
    53,002,556.40x = 79,509,083.40 × 18,453,642.60
  4. Step 4: Simplify right side
    53,002,556.40x = 1,467,232,208,517,193
  5. Step 5: Solve for x
    x = 1,467,232,208,517,193/53,002,556.40
  6. Step 6: Final answer
    x = 27,682,291.35

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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.