Home / 8,686,640.66-11,988,627.21-5,015,551.05

Finding the Fourth Proportional to 8,686,640.66, 11,988,627.21 and 5,015,551.05

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Solution

The fourth proportional to 8,686,640.66, 11,988,627.21 and 5,015,551.05 is: 6,922,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,640.66 : 11,988,627.21 = 5,015,551.05 : x
  2. Step 2: Convert to fraction form
    8,686,640.66/11,988,627.21 = 5,015,551.05/x
  3. Step 3: Cross multiply
    8,686,640.66x = 11,988,627.21 × 5,015,551.05
  4. Step 4: Simplify right side
    8,686,640.66x = 60,129,571,791,174.07
  5. Step 5: Solve for x
    x = 60,129,571,791,174.07/8,686,640.66
  6. Step 6: Final answer
    x = 6,922,074.27

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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.