Home / 7,870,656.68-10,855,724.60-5,216,704.37

Finding the Fourth Proportional to 7,870,656.68, 10,855,724.60 and 5,216,704.37

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Solution

The fourth proportional to 7,870,656.68, 10,855,724.60 and 5,216,704.37 is: 7,195,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,656.68 : 10,855,724.60 = 5,216,704.37 : x
  2. Step 2: Convert to fraction form
    7,870,656.68/10,855,724.60 = 5,216,704.37/x
  3. Step 3: Cross multiply
    7,870,656.68x = 10,855,724.60 × 5,216,704.37
  4. Step 4: Simplify right side
    7,870,656.68x = 56,631,106,000,517.56
  5. Step 5: Solve for x
    x = 56,631,106,000,517.56/7,870,656.68
  6. Step 6: Final answer
    x = 7,195,219.95

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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.