Home / 31,161,843.72-43,005,570.87-17,222,898.98

Finding the Fourth Proportional to 31,161,843.72, 43,005,570.87 and 17,222,898.98

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Solution

The fourth proportional to 31,161,843.72, 43,005,570.87 and 17,222,898.98 is: 23,768,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,843.72 : 43,005,570.87 = 17,222,898.98 : x
  2. Step 2: Convert to fraction form
    31,161,843.72/43,005,570.87 = 17,222,898.98/x
  3. Step 3: Cross multiply
    31,161,843.72x = 43,005,570.87 × 17,222,898.98
  4. Step 4: Simplify right side
    31,161,843.72x = 740,680,602,843,340.62
  5. Step 5: Solve for x
    x = 740,680,602,843,340.62/31,161,843.72
  6. Step 6: Final answer
    x = 23,768,831.19

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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.