Home / 23,010,623.70-31,728,911.82-18,811,201.50

Finding the Fourth Proportional to 23,010,623.70, 31,728,911.82 and 18,811,201.50

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Solution

The fourth proportional to 23,010,623.70, 31,728,911.82 and 18,811,201.50 is: 25,938,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010,623.70 : 31,728,911.82 = 18,811,201.50 : x
  2. Step 2: Convert to fraction form
    23,010,623.70/31,728,911.82 = 18,811,201.50/x
  3. Step 3: Cross multiply
    23,010,623.70x = 31,728,911.82 × 18,811,201.50
  4. Step 4: Simplify right side
    23,010,623.70x = 596,858,953,621,751.75
  5. Step 5: Solve for x
    x = 596,858,953,621,751.75/23,010,623.70
  6. Step 6: Final answer
    x = 25,938,408.34

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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.