Home / 13,518,090.96-20,277,131.88-8,978,004.12

Finding the Fourth Proportional to 13,518,090.96, 20,277,131.88 and 8,978,004.12

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Solution

The fourth proportional to 13,518,090.96, 20,277,131.88 and 8,978,004.12 is: 13,467,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,090.96 : 20,277,131.88 = 8,978,004.12 : x
  2. Step 2: Convert to fraction form
    13,518,090.96/20,277,131.88 = 8,978,004.12/x
  3. Step 3: Cross multiply
    13,518,090.96x = 20,277,131.88 × 8,978,004.12
  4. Step 4: Simplify right side
    13,518,090.96x = 182,048,173,560,423.31
  5. Step 5: Solve for x
    x = 182,048,173,560,423.31/13,518,090.96
  6. Step 6: Final answer
    x = 13,467,003.15

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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.