Home / 12,819,972,087.18-17,692,542,947.70-8,066,322,687.06

Finding the Fourth Proportional to 12,819,972,087.18, 17,692,542,947.70 and 8,066,322,687.06

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Solution

The fourth proportional to 12,819,972,087.18, 17,692,542,947.70 and 8,066,322,687.06 is: 11,132,142,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,972,087.18 : 17,692,542,947.70 = 8,066,322,687.06 : x
  2. Step 2: Convert to fraction form
    12,819,972,087.18/17,692,542,947.70 = 8,066,322,687.06/x
  3. Step 3: Cross multiply
    12,819,972,087.18x = 17,692,542,947.70 × 8,066,322,687.06
  4. Step 4: Simplify right side
    12,819,972,087.18x = 142,713,760,570,815,938,560
  5. Step 5: Solve for x
    x = 142,713,760,570,815,938,560/12,819,972,087.18
  6. Step 6: Final answer
    x = 11,132,142,847.14

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1.5x scale

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.