Home / 20,601,844.40-30,902,766.60-6,227,130.80

Finding the Fourth Proportional to 20,601,844.40, 30,902,766.60 and 6,227,130.80

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Solution

The fourth proportional to 20,601,844.40, 30,902,766.60 and 6,227,130.80 is: 9,340,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601,844.40 : 30,902,766.60 = 6,227,130.80 : x
  2. Step 2: Convert to fraction form
    20,601,844.40/30,902,766.60 = 6,227,130.80/x
  3. Step 3: Cross multiply
    20,601,844.40x = 30,902,766.60 × 6,227,130.80
  4. Step 4: Simplify right side
    20,601,844.40x = 192,435,569,700,071.28
  5. Step 5: Solve for x
    x = 192,435,569,700,071.28/20,601,844.40
  6. Step 6: Final answer
    x = 9,340,696.20

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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.