Home / 13,610,198.80-18,782,412.60-8,381,227.60

Finding the Fourth Proportional to 13,610,198.80, 18,782,412.60 and 8,381,227.60

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Solution

The fourth proportional to 13,610,198.80, 18,782,412.60 and 8,381,227.60 is: 11,566,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,198.80 : 18,782,412.60 = 8,381,227.60 : x
  2. Step 2: Convert to fraction form
    13,610,198.80/18,782,412.60 = 8,381,227.60/x
  3. Step 3: Cross multiply
    13,610,198.80x = 18,782,412.60 × 8,381,227.60
  4. Step 4: Simplify right side
    13,610,198.80x = 157,419,674,877,707.75
  5. Step 5: Solve for x
    x = 157,419,674,877,707.75/13,610,198.80
  6. Step 6: Final answer
    x = 11,566,302.39

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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.