Home / 13,407,904.80-20,111,857.20-12,568,096.80

Finding the Fourth Proportional to 13,407,904.80, 20,111,857.20 and 12,568,096.80

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Solution

The fourth proportional to 13,407,904.80, 20,111,857.20 and 12,568,096.80 is: 18,852,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,904.80 : 20,111,857.20 = 12,568,096.80 : x
  2. Step 2: Convert to fraction form
    13,407,904.80/20,111,857.20 = 12,568,096.80/x
  3. Step 3: Cross multiply
    13,407,904.80x = 20,111,857.20 × 12,568,096.80
  4. Step 4: Simplify right side
    13,407,904.80x = 252,767,768,117,376.97
  5. Step 5: Solve for x
    x = 252,767,768,117,376.97/13,407,904.80
  6. Step 6: Final answer
    x = 18,852,145.20

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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.