Home / 12,864,065.78-19,277,957.37-7,109,390.81

Finding the Fourth Proportional to 12,864,065.78, 19,277,957.37 and 7,109,390.81

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Solution

The fourth proportional to 12,864,065.78, 19,277,957.37 and 7,109,390.81 is: 10,654,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,065.78 : 19,277,957.37 = 7,109,390.81 : x
  2. Step 2: Convert to fraction form
    12,864,065.78/19,277,957.37 = 7,109,390.81/x
  3. Step 3: Cross multiply
    12,864,065.78x = 19,277,957.37 × 7,109,390.81
  4. Step 4: Simplify right side
    12,864,065.78x = 137,054,532,961,849.77
  5. Step 5: Solve for x
    x = 137,054,532,961,849.77/12,864,065.78
  6. Step 6: Final answer
    x = 10,654,060.33

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