Home / 7,618,529.61-10,513,874.12-4,180,893.66

Finding the Fourth Proportional to 7,618,529.61, 10,513,874.12 and 4,180,893.66

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Solution

The fourth proportional to 7,618,529.61, 10,513,874.12 and 4,180,893.66 is: 5,769,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,529.61 : 10,513,874.12 = 4,180,893.66 : x
  2. Step 2: Convert to fraction form
    7,618,529.61/10,513,874.12 = 4,180,893.66/x
  3. Step 3: Cross multiply
    7,618,529.61x = 10,513,874.12 × 4,180,893.66
  4. Step 4: Simplify right side
    7,618,529.61x = 43,957,389,629,441.62
  5. Step 5: Solve for x
    x = 43,957,389,629,441.62/7,618,529.61
  6. Step 6: Final answer
    x = 5,769,799.67

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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.