Home / 28,068,811.72-38,738,321.22-17,057,360.68

Finding the Fourth Proportional to 28,068,811.72, 38,738,321.22 and 17,057,360.68

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Solution

The fourth proportional to 28,068,811.72, 38,738,321.22 and 17,057,360.68 is: 23,541,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,811.72 : 38,738,321.22 = 17,057,360.68 : x
  2. Step 2: Convert to fraction form
    28,068,811.72/38,738,321.22 = 17,057,360.68/x
  3. Step 3: Cross multiply
    28,068,811.72x = 38,738,321.22 × 17,057,360.68
  4. Step 4: Simplify right side
    28,068,811.72x = 660,773,517,187,237.62
  5. Step 5: Solve for x
    x = 660,773,517,187,237.62/28,068,811.72
  6. Step 6: Final answer
    x = 23,541,200.24

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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.