Home / 27,147,597.39-40,721,403.66-7,978,353.39

Finding the Fourth Proportional to 27,147,597.39, 40,721,403.66 and 7,978,353.39

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Solution

The fourth proportional to 27,147,597.39, 40,721,403.66 and 7,978,353.39 is: 11,967,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147,597.39 : 40,721,403.66 = 7,978,353.39 : x
  2. Step 2: Convert to fraction form
    27,147,597.39/40,721,403.66 = 7,978,353.39/x
  3. Step 3: Cross multiply
    27,147,597.39x = 40,721,403.66 × 7,978,353.39
  4. Step 4: Simplify right side
    27,147,597.39x = 324,889,748,936,319.38
  5. Step 5: Solve for x
    x = 324,889,748,936,319.38/27,147,597.39
  6. Step 6: Final answer
    x = 11,967,532.31

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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.