Home / 6,908,161.20-10,363,019.40-2,115,812.40

Finding the Fourth Proportional to 6,908,161.20, 10,363,019.40 and 2,115,812.40

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Solution

The fourth proportional to 6,908,161.20, 10,363,019.40 and 2,115,812.40 is: 3,173,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,161.20 : 10,363,019.40 = 2,115,812.40 : x
  2. Step 2: Convert to fraction form
    6,908,161.20/10,363,019.40 = 2,115,812.40/x
  3. Step 3: Cross multiply
    6,908,161.20x = 10,363,019.40 × 2,115,812.40
  4. Step 4: Simplify right side
    6,908,161.20x = 21,926,204,947,960.56
  5. Step 5: Solve for x
    x = 21,926,204,947,960.56/6,908,161.20
  6. Step 6: Final answer
    x = 3,173,956.76

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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.