Home / 9,272,822.31-12,796,304.16-5,142,186.89

Finding the Fourth Proportional to 9,272,822.31, 12,796,304.16 and 5,142,186.89

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Solution

The fourth proportional to 9,272,822.31, 12,796,304.16 and 5,142,186.89 is: 7,096,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272,822.31 : 12,796,304.16 = 5,142,186.89 : x
  2. Step 2: Convert to fraction form
    9,272,822.31/12,796,304.16 = 5,142,186.89/x
  3. Step 3: Cross multiply
    9,272,822.31x = 12,796,304.16 × 5,142,186.89
  4. Step 4: Simplify right side
    9,272,822.31x = 65,800,987,428,022.94
  5. Step 5: Solve for x
    x = 65,800,987,428,022.94/9,272,822.31
  6. Step 6: Final answer
    x = 7,096,112.19

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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.