Home / 8,731,028.70-13,102,447.95-4,892,843.70

Finding the Fourth Proportional to 8,731,028.70, 13,102,447.95 and 4,892,843.70

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Solution

The fourth proportional to 8,731,028.70, 13,102,447.95 and 4,892,843.70 is: 7,342,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,028.70 : 13,102,447.95 = 4,892,843.70 : x
  2. Step 2: Convert to fraction form
    8,731,028.70/13,102,447.95 = 4,892,843.70/x
  3. Step 3: Cross multiply
    8,731,028.70x = 13,102,447.95 × 4,892,843.70
  4. Step 4: Simplify right side
    8,731,028.70x = 64,108,229,906,735.41
  5. Step 5: Solve for x
    x = 64,108,229,906,735.41/8,731,028.70
  6. Step 6: Final answer
    x = 7,342,574.64

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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.