Home / 15,173,520.35-20,941,936.00-11,279,140.38

Finding the Fourth Proportional to 15,173,520.35, 20,941,936.00 and 11,279,140.38

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Solution

The fourth proportional to 15,173,520.35, 20,941,936.00 and 11,279,140.38 is: 15,567,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,520.35 : 20,941,936.00 = 11,279,140.38 : x
  2. Step 2: Convert to fraction form
    15,173,520.35/20,941,936.00 = 11,279,140.38/x
  3. Step 3: Cross multiply
    15,173,520.35x = 20,941,936.00 × 11,279,140.38
  4. Step 4: Simplify right side
    15,173,520.35x = 236,207,035,944,777.84
  5. Step 5: Solve for x
    x = 236,207,035,944,777.84/15,173,520.35
  6. Step 6: Final answer
    x = 15,567,055.67

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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.