Home / 20,936,021.44-28,888,188.24-11,642,373.04

Finding the Fourth Proportional to 20,936,021.44, 28,888,188.24 and 11,642,373.04

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Solution

The fourth proportional to 20,936,021.44, 28,888,188.24 and 11,642,373.04 is: 16,064,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,021.44 : 28,888,188.24 = 11,642,373.04 : x
  2. Step 2: Convert to fraction form
    20,936,021.44/28,888,188.24 = 11,642,373.04/x
  3. Step 3: Cross multiply
    20,936,021.44x = 28,888,188.24 × 11,642,373.04
  4. Step 4: Simplify right side
    20,936,021.44x = 336,327,063,939,821
  5. Step 5: Solve for x
    x = 336,327,063,939,821/20,936,021.44
  6. Step 6: Final answer
    x = 16,064,516.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.