Home / 13,560,240.89-18,713,269.79-7,365,408.57

Finding the Fourth Proportional to 13,560,240.89, 18,713,269.79 and 7,365,408.57

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Solution

The fourth proportional to 13,560,240.89, 18,713,269.79 and 7,365,408.57 is: 10,164,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,240.89 : 18,713,269.79 = 7,365,408.57 : x
  2. Step 2: Convert to fraction form
    13,560,240.89/18,713,269.79 = 7,365,408.57/x
  3. Step 3: Cross multiply
    13,560,240.89x = 18,713,269.79 × 7,365,408.57
  4. Step 4: Simplify right side
    13,560,240.89x = 137,830,877,647,161.06
  5. Step 5: Solve for x
    x = 137,830,877,647,161.06/13,560,240.89
  6. Step 6: Final answer
    x = 10,164,338.44

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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.