Home / 18,443,353.80-27,682,745.40-9,355,712.70

Finding the Fourth Proportional to 18,443,353.80, 27,682,745.40 and 9,355,712.70

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Solution

The fourth proportional to 18,443,353.80, 27,682,745.40 and 9,355,712.70 is: 14,042,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,353.80 : 27,682,745.40 = 9,355,712.70 : x
  2. Step 2: Convert to fraction form
    18,443,353.80/27,682,745.40 = 9,355,712.70/x
  3. Step 3: Cross multiply
    18,443,353.80x = 27,682,745.40 × 9,355,712.70
  4. Step 4: Simplify right side
    18,443,353.80x = 258,991,812,709,646.53
  5. Step 5: Solve for x
    x = 258,991,812,709,646.53/18,443,353.80
  6. Step 6: Final answer
    x = 14,042,555.14

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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.