Home / 7,015,152.78-9,682,528.60-4,115,475.18

Finding the Fourth Proportional to 7,015,152.78, 9,682,528.60 and 4,115,475.18

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Solution

The fourth proportional to 7,015,152.78, 9,682,528.60 and 4,115,475.18 is: 5,680,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,152.78 : 9,682,528.60 = 4,115,475.18 : x
  2. Step 2: Convert to fraction form
    7,015,152.78/9,682,528.60 = 4,115,475.18/x
  3. Step 3: Cross multiply
    7,015,152.78x = 9,682,528.60 × 4,115,475.18
  4. Step 4: Simplify right side
    7,015,152.78x = 39,848,206,132,940.15
  5. Step 5: Solve for x
    x = 39,848,206,132,940.15/7,015,152.78
  6. Step 6: Final answer
    x = 5,680,304.82

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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.