Home / 21,197,894.80-31,796,842.20-19,922,436.40

Finding the Fourth Proportional to 21,197,894.80, 31,796,842.20 and 19,922,436.40

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Solution

The fourth proportional to 21,197,894.80, 31,796,842.20 and 19,922,436.40 is: 29,883,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,894.80 : 31,796,842.20 = 19,922,436.40 : x
  2. Step 2: Convert to fraction form
    21,197,894.80/31,796,842.20 = 19,922,436.40/x
  3. Step 3: Cross multiply
    21,197,894.80x = 31,796,842.20 × 19,922,436.40
  4. Step 4: Simplify right side
    21,197,894.80x = 633,470,566,450,336
  5. Step 5: Solve for x
    x = 633,470,566,450,336/21,197,894.80
  6. Step 6: Final answer
    x = 29,883,654.60

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