Home / 28,642,478.75-39,529,986.42-16,085,597.02

Finding the Fourth Proportional to 28,642,478.75, 39,529,986.42 and 16,085,597.02

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Solution

The fourth proportional to 28,642,478.75, 39,529,986.42 and 16,085,597.02 is: 22,200,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,478.75 : 39,529,986.42 = 16,085,597.02 : x
  2. Step 2: Convert to fraction form
    28,642,478.75/39,529,986.42 = 16,085,597.02/x
  3. Step 3: Cross multiply
    28,642,478.75x = 39,529,986.42 × 16,085,597.02
  4. Step 4: Simplify right side
    28,642,478.75x = 635,863,431,719,688.50
  5. Step 5: Solve for x
    x = 635,863,431,719,688.50/28,642,478.75
  6. Step 6: Final answer
    x = 22,200,014.09

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