Home / 31,161,833.54-43,005,556.88-17,222,888.81

Finding the Fourth Proportional to 31,161,833.54, 43,005,556.88 and 17,222,888.81

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Solution

The fourth proportional to 31,161,833.54, 43,005,556.88 and 17,222,888.81 is: 23,768,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,833.54 : 43,005,556.88 = 17,222,888.81 : x
  2. Step 2: Convert to fraction form
    31,161,833.54/43,005,556.88 = 17,222,888.81/x
  3. Step 3: Cross multiply
    31,161,833.54x = 43,005,556.88 × 17,222,888.81
  4. Step 4: Simplify right side
    31,161,833.54x = 740,679,924,151,984.38
  5. Step 5: Solve for x
    x = 740,679,924,151,984.38/31,161,833.54
  6. Step 6: Final answer
    x = 23,768,817.17

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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.