Home / 39,002,847.20-58,504,270.80-18,847,455.20

Finding the Fourth Proportional to 39,002,847.20, 58,504,270.80 and 18,847,455.20

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Solution

The fourth proportional to 39,002,847.20, 58,504,270.80 and 18,847,455.20 is: 28,271,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002,847.20 : 58,504,270.80 = 18,847,455.20 : x
  2. Step 2: Convert to fraction form
    39,002,847.20/58,504,270.80 = 18,847,455.20/x
  3. Step 3: Cross multiply
    39,002,847.20x = 58,504,270.80 × 18,847,455.20
  4. Step 4: Simplify right side
    39,002,847.20x = 1,102,656,622,911,668
  5. Step 5: Solve for x
    x = 1,102,656,622,911,668/39,002,847.20
  6. Step 6: Final answer
    x = 28,271,182.80

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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.