Home / 18,991,645.83-26,198,915.54-12,464,369.37

Finding the Fourth Proportional to 18,991,645.83, 26,198,915.54 and 12,464,369.37

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Solution

The fourth proportional to 18,991,645.83, 26,198,915.54 and 12,464,369.37 is: 17,194,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,645.83 : 26,198,915.54 = 12,464,369.37 : x
  2. Step 2: Convert to fraction form
    18,991,645.83/26,198,915.54 = 12,464,369.37/x
  3. Step 3: Cross multiply
    18,991,645.83x = 26,198,915.54 × 12,464,369.37
  4. Step 4: Simplify right side
    18,991,645.83x = 326,552,960,321,671.12
  5. Step 5: Solve for x
    x = 326,552,960,321,671.12/18,991,645.83
  6. Step 6: Final answer
    x = 17,194,558.24

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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.