Home / 28,716,059.22-39,642,786.63-22,175,004.66

Finding the Fourth Proportional to 28,716,059.22, 39,642,786.63 and 22,175,004.66

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Solution

The fourth proportional to 28,716,059.22, 39,642,786.63 and 22,175,004.66 is: 30,612,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,059.22 : 39,642,786.63 = 22,175,004.66 : x
  2. Step 2: Convert to fraction form
    28,716,059.22/39,642,786.63 = 22,175,004.66/x
  3. Step 3: Cross multiply
    28,716,059.22x = 39,642,786.63 × 22,175,004.66
  4. Step 4: Simplify right side
    28,716,059.22x = 879,078,978,255,635.75
  5. Step 5: Solve for x
    x = 879,078,978,255,635.75/28,716,059.22
  6. Step 6: Final answer
    x = 30,612,800.02

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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.