Home / 18,505,872.77-25,537,270.95-10,245,355.07

Finding the Fourth Proportional to 18,505,872.77, 25,537,270.95 and 10,245,355.07

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Solution

The fourth proportional to 18,505,872.77, 25,537,270.95 and 10,245,355.07 is: 14,138,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505,872.77 : 25,537,270.95 = 10,245,355.07 : x
  2. Step 2: Convert to fraction form
    18,505,872.77/25,537,270.95 = 10,245,355.07/x
  3. Step 3: Cross multiply
    18,505,872.77x = 25,537,270.95 × 10,245,355.07
  4. Step 4: Simplify right side
    18,505,872.77x = 261,638,408,273,859.84
  5. Step 5: Solve for x
    x = 261,638,408,273,859.84/18,505,872.77
  6. Step 6: Final answer
    x = 14,138,128.56

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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.