Home / 8,228,279.36-12,347,463.83-3,683,171.21

Finding the Fourth Proportional to 8,228,279.36, 12,347,463.83 and 3,683,171.21

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Solution

The fourth proportional to 8,228,279.36, 12,347,463.83 and 3,683,171.21 is: 5,527,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,279.36 : 12,347,463.83 = 3,683,171.21 : x
  2. Step 2: Convert to fraction form
    8,228,279.36/12,347,463.83 = 3,683,171.21/x
  3. Step 3: Cross multiply
    8,228,279.36x = 12,347,463.83 × 3,683,171.21
  4. Step 4: Simplify right side
    8,228,279.36x = 45,477,823,295,172.34
  5. Step 5: Solve for x
    x = 45,477,823,295,172.34/8,228,279.36
  6. Step 6: Final answer
    x = 5,527,014.98

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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.