Home / 22,238,372.94-30,673,134.03-20,408,739.54

Finding the Fourth Proportional to 22,238,372.94, 30,673,134.03 and 20,408,739.54

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Solution

The fourth proportional to 22,238,372.94, 30,673,134.03 and 20,408,739.54 is: 28,149,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238,372.94 : 30,673,134.03 = 20,408,739.54 : x
  2. Step 2: Convert to fraction form
    22,238,372.94/30,673,134.03 = 20,408,739.54/x
  3. Step 3: Cross multiply
    22,238,372.94x = 30,673,134.03 × 20,408,739.54
  4. Step 4: Simplify right side
    22,238,372.94x = 626,000,003,293,780.50
  5. Step 5: Solve for x
    x = 626,000,003,293,780.50/22,238,372.94
  6. Step 6: Final answer
    x = 28,149,541.56

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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.