Home / 7,374,299.78-11,065,415.43-7,105,886.84

Finding the Fourth Proportional to 7,374,299.78, 11,065,415.43 and 7,105,886.84

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Solution

The fourth proportional to 7,374,299.78, 11,065,415.43 and 7,105,886.84 is: 10,662,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374,299.78 : 11,065,415.43 = 7,105,886.84 : x
  2. Step 2: Convert to fraction form
    7,374,299.78/11,065,415.43 = 7,105,886.84/x
  3. Step 3: Cross multiply
    7,374,299.78x = 11,065,415.43 × 7,105,886.84
  4. Step 4: Simplify right side
    7,374,299.78x = 78,629,589,827,842.86
  5. Step 5: Solve for x
    x = 78,629,589,827,842.86/7,374,299.78
  6. Step 6: Final answer
    x = 10,662,651.67

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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.