Home / 6,718,871.70-10,073,583.63-3,120,819.30

Finding the Fourth Proportional to 6,718,871.70, 10,073,583.63 and 3,120,819.30

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Solution

The fourth proportional to 6,718,871.70, 10,073,583.63 and 3,120,819.30 is: 4,679,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,871.70 : 10,073,583.63 = 3,120,819.30 : x
  2. Step 2: Convert to fraction form
    6,718,871.70/10,073,583.63 = 3,120,819.30/x
  3. Step 3: Cross multiply
    6,718,871.70x = 10,073,583.63 × 3,120,819.30
  4. Step 4: Simplify right side
    6,718,871.70x = 31,437,834,212,668.06
  5. Step 5: Solve for x
    x = 31,437,834,212,668.06/6,718,871.70
  6. Step 6: Final answer
    x = 4,679,034.76

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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.