Home / 28,912,753.42-43,351,657.44-13,563,408.94

Finding the Fourth Proportional to 28,912,753.42, 43,351,657.44 and 13,563,408.94

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Solution

The fourth proportional to 28,912,753.42, 43,351,657.44 and 13,563,408.94 is: 20,336,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,753.42 : 43,351,657.44 = 13,563,408.94 : x
  2. Step 2: Convert to fraction form
    28,912,753.42/43,351,657.44 = 13,563,408.94/x
  3. Step 3: Cross multiply
    28,912,753.42x = 43,351,657.44 × 13,563,408.94
  4. Step 4: Simplify right side
    28,912,753.42x = 587,996,258,085,513.50
  5. Step 5: Solve for x
    x = 587,996,258,085,513.50/28,912,753.42
  6. Step 6: Final answer
    x = 20,336,916.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.