Home / 18,955,745.55-26,150,620.23-11,111,281.11

Finding the Fourth Proportional to 18,955,745.55, 26,150,620.23 and 11,111,281.11

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Solution

The fourth proportional to 18,955,745.55, 26,150,620.23 and 11,111,281.11 is: 15,328,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955,745.55 : 26,150,620.23 = 11,111,281.11 : x
  2. Step 2: Convert to fraction form
    18,955,745.55/26,150,620.23 = 11,111,281.11/x
  3. Step 3: Cross multiply
    18,955,745.55x = 26,150,620.23 × 11,111,281.11
  4. Step 4: Simplify right side
    18,955,745.55x = 290,566,892,576,382.88
  5. Step 5: Solve for x
    x = 290,566,892,576,382.88/18,955,745.55
  6. Step 6: Final answer
    x = 15,328,697.67

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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.