Home / 9,868,364.87-13,614,217.97-7,689,124.67

Finding the Fourth Proportional to 9,868,364.87, 13,614,217.97 and 7,689,124.67

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Solution

The fourth proportional to 9,868,364.87, 13,614,217.97 and 7,689,124.67 is: 10,607,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,364.87 : 13,614,217.97 = 7,689,124.67 : x
  2. Step 2: Convert to fraction form
    9,868,364.87/13,614,217.97 = 7,689,124.67/x
  3. Step 3: Cross multiply
    9,868,364.87x = 13,614,217.97 × 7,689,124.67
  4. Step 4: Simplify right side
    9,868,364.87x = 104,681,419,149,367.61
  5. Step 5: Solve for x
    x = 104,681,419,149,367.61/9,868,364.87
  6. Step 6: Final answer
    x = 10,607,777.54

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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.