Home / 28,507,629.76-39,340,837.35-16,747,393.84

Finding the Fourth Proportional to 28,507,629.76, 39,340,837.35 and 16,747,393.84

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Solution

The fourth proportional to 28,507,629.76, 39,340,837.35 and 16,747,393.84 is: 23,111,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507,629.76 : 39,340,837.35 = 16,747,393.84 : x
  2. Step 2: Convert to fraction form
    28,507,629.76/39,340,837.35 = 16,747,393.84/x
  3. Step 3: Cross multiply
    28,507,629.76x = 39,340,837.35 × 16,747,393.84
  4. Step 4: Simplify right side
    28,507,629.76x = 658,856,496,997,479.88
  5. Step 5: Solve for x
    x = 658,856,496,997,479.88/28,507,629.76
  6. Step 6: Final answer
    x = 23,111,584.60

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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.