Home / 39,002,871.20-58,504,306.80-18,847,479.20

Finding the Fourth Proportional to 39,002,871.20, 58,504,306.80 and 18,847,479.20

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Solution

The fourth proportional to 39,002,871.20, 58,504,306.80 and 18,847,479.20 is: 28,271,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002,871.20 : 58,504,306.80 = 18,847,479.20 : x
  2. Step 2: Convert to fraction form
    39,002,871.20/58,504,306.80 = 18,847,479.20/x
  3. Step 3: Cross multiply
    39,002,871.20x = 58,504,306.80 × 18,847,479.20
  4. Step 4: Simplify right side
    39,002,871.20x = 1,102,658,705,523,418.50
  5. Step 5: Solve for x
    x = 1,102,658,705,523,418.50/39,002,871.20
  6. Step 6: Final answer
    x = 28,271,218.80

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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.