Home / 13,521,502.72-18,659,820.72-7,409,800

Finding the Fourth Proportional to 13,521,502.72, 18,659,820.72 and 7,409,800

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Solution

The fourth proportional to 13,521,502.72, 18,659,820.72 and 7,409,800 is: 10,225,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,502.72 : 18,659,820.72 = 7,409,800 : x
  2. Step 2: Convert to fraction form
    13,521,502.72/18,659,820.72 = 7,409,800/x
  3. Step 3: Cross multiply
    13,521,502.72x = 18,659,820.72 × 7,409,800
  4. Step 4: Simplify right side
    13,521,502.72x = 138,265,539,571,055.98
  5. Step 5: Solve for x
    x = 138,265,539,571,055.98/13,521,502.72
  6. Step 6: Final answer
    x = 10,225,604.54

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