Home / 8,504,047.40-12,738,356.40-7,086,871.40

Finding the Fourth Proportional to 8,504,047.40, 12,738,356.40 and 7,086,871.40

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Solution

The fourth proportional to 8,504,047.40, 12,738,356.40 and 7,086,871.40 is: 10,615,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,047.40 : 12,738,356.40 = 7,086,871.40 : x
  2. Step 2: Convert to fraction form
    8,504,047.40/12,738,356.40 = 7,086,871.40/x
  3. Step 3: Cross multiply
    8,504,047.40x = 12,738,356.40 × 7,086,871.40
  4. Step 4: Simplify right side
    8,504,047.40x = 90,275,093,654,166.97
  5. Step 5: Solve for x
    x = 90,275,093,654,166.97/8,504,047.40
  6. Step 6: Final answer
    x = 10,615,544.51

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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.