Home / 10,863,020.40-16,296,498.90-5,458,068.60

Finding the Fourth Proportional to 10,863,020.40, 16,296,498.90 and 5,458,068.60

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Solution

The fourth proportional to 10,863,020.40, 16,296,498.90 and 5,458,068.60 is: 8,188,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,020.40 : 16,296,498.90 = 5,458,068.60 : x
  2. Step 2: Convert to fraction form
    10,863,020.40/16,296,498.90 = 5,458,068.60/x
  3. Step 3: Cross multiply
    10,863,020.40x = 16,296,498.90 × 5,458,068.60
  4. Step 4: Simplify right side
    10,863,020.40x = 88,947,408,936,024.53
  5. Step 5: Solve for x
    x = 88,947,408,936,024.53/10,863,020.40
  6. Step 6: Final answer
    x = 8,188,091.86

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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.