Home / 20,169,771.80-30,250,721.10-6,706,599.80

Finding the Fourth Proportional to 20,169,771.80, 30,250,721.10 and 6,706,599.80

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Solution

The fourth proportional to 20,169,771.80, 30,250,721.10 and 6,706,599.80 is: 10,058,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,771.80 : 30,250,721.10 = 6,706,599.80 : x
  2. Step 2: Convert to fraction form
    20,169,771.80/30,250,721.10 = 6,706,599.80/x
  3. Step 3: Cross multiply
    20,169,771.80x = 30,250,721.10 × 6,706,599.80
  4. Step 4: Simplify right side
    20,169,771.80x = 202,879,480,079,115.78
  5. Step 5: Solve for x
    x = 202,879,480,079,115.78/20,169,771.80
  6. Step 6: Final answer
    x = 10,058,590.75

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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.