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Finding the Fourth Proportional to 28,978,738.93, 43,469,597.31 and 7,413,527.71

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Solution

The fourth proportional to 28,978,738.93, 43,469,597.31 and 7,413,527.71 is: 11,120,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,738.93 : 43,469,597.31 = 7,413,527.71 : x
  2. Step 2: Convert to fraction form
    28,978,738.93/43,469,597.31 = 7,413,527.71/x
  3. Step 3: Cross multiply
    28,978,738.93x = 43,469,597.31 × 7,413,527.71
  4. Step 4: Simplify right side
    28,978,738.93x = 322,263,064,200,226.50
  5. Step 5: Solve for x
    x = 322,263,064,200,226.50/28,978,738.93
  6. Step 6: Final answer
    x = 11,120,672.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.