Home / 13,413,748.40-20,120,622.60-4,892,977.70

Finding the Fourth Proportional to 13,413,748.40, 20,120,622.60 and 4,892,977.70

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Solution

The fourth proportional to 13,413,748.40, 20,120,622.60 and 4,892,977.70 is: 7,339,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,748.40 : 20,120,622.60 = 4,892,977.70 : x
  2. Step 2: Convert to fraction form
    13,413,748.40/20,120,622.60 = 4,892,977.70/x
  3. Step 3: Cross multiply
    13,413,748.40x = 20,120,622.60 × 4,892,977.70
  4. Step 4: Simplify right side
    13,413,748.40x = 98,449,757,691,916.03
  5. Step 5: Solve for x
    x = 98,449,757,691,916.03/13,413,748.40
  6. Step 6: Final answer
    x = 7,339,466.55

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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.