Home / 6,291,892.31-9,391,905.27-5,399,071.43

Finding the Fourth Proportional to 6,291,892.31, 9,391,905.27 and 5,399,071.43

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Solution

The fourth proportional to 6,291,892.31, 9,391,905.27 and 5,399,071.43 is: 8,059,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291,892.31 : 9,391,905.27 = 5,399,071.43 : x
  2. Step 2: Convert to fraction form
    6,291,892.31/9,391,905.27 = 5,399,071.43/x
  3. Step 3: Cross multiply
    6,291,892.31x = 9,391,905.27 × 5,399,071.43
  4. Step 4: Simplify right side
    6,291,892.31x = 50,707,567,369,563.91
  5. Step 5: Solve for x
    x = 50,707,567,369,563.91/6,291,892.31
  6. Step 6: Final answer
    x = 8,059,191.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.