Home / 18,701,922.50-25,808,408.60-10,442,125.37

Finding the Fourth Proportional to 18,701,922.50, 25,808,408.60 and 10,442,125.37

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Solution

The fourth proportional to 18,701,922.50, 25,808,408.60 and 10,442,125.37 is: 14,409,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,922.50 : 25,808,408.60 = 10,442,125.37 : x
  2. Step 2: Convert to fraction form
    18,701,922.50/25,808,408.60 = 10,442,125.37/x
  3. Step 3: Cross multiply
    18,701,922.50x = 25,808,408.60 × 10,442,125.37
  4. Step 4: Simplify right side
    18,701,922.50x = 269,494,638,213,696.56
  5. Step 5: Solve for x
    x = 269,494,638,213,696.56/18,701,922.50
  6. Step 6: Final answer
    x = 14,409,996.52

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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.