Home / 20,066,738.80-30,100,108.20-14,020,121.20

Finding the Fourth Proportional to 20,066,738.80, 30,100,108.20 and 14,020,121.20

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Solution

The fourth proportional to 20,066,738.80, 30,100,108.20 and 14,020,121.20 is: 21,030,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,738.80 : 30,100,108.20 = 14,020,121.20 : x
  2. Step 2: Convert to fraction form
    20,066,738.80/30,100,108.20 = 14,020,121.20/x
  3. Step 3: Cross multiply
    20,066,738.80x = 30,100,108.20 × 14,020,121.20
  4. Step 4: Simplify right side
    20,066,738.80x = 422,007,165,097,113.81
  5. Step 5: Solve for x
    x = 422,007,165,097,113.81/20,066,738.80
  6. Step 6: Final answer
    x = 21,030,181.80

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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.