Home / 6,786,479.61-10,179,629.76-1,668,953.67

Finding the Fourth Proportional to 6,786,479.61, 10,179,629.76 and 1,668,953.67

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Solution

The fourth proportional to 6,786,479.61, 10,179,629.76 and 1,668,953.67 is: 2,503,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,479.61 : 10,179,629.76 = 1,668,953.67 : x
  2. Step 2: Convert to fraction form
    6,786,479.61/10,179,629.76 = 1,668,953.67/x
  3. Step 3: Cross multiply
    6,786,479.61x = 10,179,629.76 × 1,668,953.67
  4. Step 4: Simplify right side
    6,786,479.61x = 16,989,330,447,193.22
  5. Step 5: Solve for x
    x = 16,989,330,447,193.22/6,786,479.61
  6. Step 6: Final answer
    x = 2,503,408.46

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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.