Home / 15,143,109.24-20,897,382.60-8,267,591.10

Finding the Fourth Proportional to 15,143,109.24, 20,897,382.60 and 8,267,591.10

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Solution

The fourth proportional to 15,143,109.24, 20,897,382.60 and 8,267,591.10 is: 11,409,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,109.24 : 20,897,382.60 = 8,267,591.10 : x
  2. Step 2: Convert to fraction form
    15,143,109.24/20,897,382.60 = 8,267,591.10/x
  3. Step 3: Cross multiply
    15,143,109.24x = 20,897,382.60 × 8,267,591.10
  4. Step 4: Simplify right side
    15,143,109.24x = 172,771,014,397,054.88
  5. Step 5: Solve for x
    x = 172,771,014,397,054.88/15,143,109.24
  6. Step 6: Final answer
    x = 11,409,216.67

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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.