Home / 13,554,112.37-18,704,636.57-8,121,604.37

Finding the Fourth Proportional to 13,554,112.37, 18,704,636.57 and 8,121,604.37

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Solution

The fourth proportional to 13,554,112.37, 18,704,636.57 and 8,121,604.37 is: 11,207,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,112.37 : 18,704,636.57 = 8,121,604.37 : x
  2. Step 2: Convert to fraction form
    13,554,112.37/18,704,636.57 = 8,121,604.37/x
  3. Step 3: Cross multiply
    13,554,112.37x = 18,704,636.57 × 8,121,604.37
  4. Step 4: Simplify right side
    13,554,112.37x = 151,911,658,032,954.66
  5. Step 5: Solve for x
    x = 151,911,658,032,954.66/13,554,112.37
  6. Step 6: Final answer
    x = 11,207,790.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.