Home / 21,079,754.09-31,606,084.73-8,792,194.62

Finding the Fourth Proportional to 21,079,754.09, 31,606,084.73 and 8,792,194.62

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Solution

The fourth proportional to 21,079,754.09, 31,606,084.73 and 8,792,194.62 is: 13,182,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079,754.09 : 31,606,084.73 = 8,792,194.62 : x
  2. Step 2: Convert to fraction form
    21,079,754.09/31,606,084.73 = 8,792,194.62/x
  3. Step 3: Cross multiply
    21,079,754.09x = 31,606,084.73 × 8,792,194.62
  4. Step 4: Simplify right side
    21,079,754.09x = 277,886,848,078,409.16
  5. Step 5: Solve for x
    x = 277,886,848,078,409.16/21,079,754.09
  6. Step 6: Final answer
    x = 13,182,641.84

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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.