Home / 20,869,035.60-31,303,553.40-5,722,942.80

Finding the Fourth Proportional to 20,869,035.60, 31,303,553.40 and 5,722,942.80

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Solution

The fourth proportional to 20,869,035.60, 31,303,553.40 and 5,722,942.80 is: 8,584,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,035.60 : 31,303,553.40 = 5,722,942.80 : x
  2. Step 2: Convert to fraction form
    20,869,035.60/31,303,553.40 = 5,722,942.80/x
  3. Step 3: Cross multiply
    20,869,035.60x = 31,303,553.40 × 5,722,942.80
  4. Step 4: Simplify right side
    20,869,035.60x = 179,148,445,544,945.50
  5. Step 5: Solve for x
    x = 179,148,445,544,945.50/20,869,035.60
  6. Step 6: Final answer
    x = 8,584,414.20

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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.