Home / 18,416,595.89-27,620,180.19-5,459,716.72

Finding the Fourth Proportional to 18,416,595.89, 27,620,180.19 and 5,459,716.72

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Solution

The fourth proportional to 18,416,595.89, 27,620,180.19 and 5,459,716.72 is: 8,188,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416,595.89 : 27,620,180.19 = 5,459,716.72 : x
  2. Step 2: Convert to fraction form
    18,416,595.89/27,620,180.19 = 5,459,716.72/x
  3. Step 3: Cross multiply
    18,416,595.89x = 27,620,180.19 × 5,459,716.72
  4. Step 4: Simplify right side
    18,416,595.89x = 150,798,359,627,281.03
  5. Step 5: Solve for x
    x = 150,798,359,627,281.03/18,416,595.89
  6. Step 6: Final answer
    x = 8,188,177.69

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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.