Home / 6,875,954.50-9,489,112.46-3,820,168.75

Finding the Fourth Proportional to 6,875,954.50, 9,489,112.46 and 3,820,168.75

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Solution

The fourth proportional to 6,875,954.50, 9,489,112.46 and 3,820,168.75 is: 5,271,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,954.50 : 9,489,112.46 = 3,820,168.75 : x
  2. Step 2: Convert to fraction form
    6,875,954.50/9,489,112.46 = 3,820,168.75/x
  3. Step 3: Cross multiply
    6,875,954.50x = 9,489,112.46 × 3,820,168.75
  4. Step 4: Simplify right side
    6,875,954.50x = 36,250,010,865,826.78
  5. Step 5: Solve for x
    x = 36,250,010,865,826.78/6,875,954.50
  6. Step 6: Final answer
    x = 5,271,996.91

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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.