Home / 39,002,912.70-58,504,369.05-18,847,520.70

Finding the Fourth Proportional to 39,002,912.70, 58,504,369.05 and 18,847,520.70

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Solution

The fourth proportional to 39,002,912.70, 58,504,369.05 and 18,847,520.70 is: 28,271,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002,912.70 : 58,504,369.05 = 18,847,520.70 : x
  2. Step 2: Convert to fraction form
    39,002,912.70/58,504,369.05 = 18,847,520.70/x
  3. Step 3: Cross multiply
    39,002,912.70x = 58,504,369.05 × 18,847,520.70
  4. Step 4: Simplify right side
    39,002,912.70x = 1,102,662,306,710,314.25
  5. Step 5: Solve for x
    x = 1,102,662,306,710,314.25/39,002,912.70
  6. Step 6: Final answer
    x = 28,271,281.05

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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.