Home / 13,045,076.42-18,002,261.97-7,243,840.34

Finding the Fourth Proportional to 13,045,076.42, 18,002,261.97 and 7,243,840.34

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Solution

The fourth proportional to 13,045,076.42, 18,002,261.97 and 7,243,840.34 is: 9,996,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,076.42 : 18,002,261.97 = 7,243,840.34 : x
  2. Step 2: Convert to fraction form
    13,045,076.42/18,002,261.97 = 7,243,840.34/x
  3. Step 3: Cross multiply
    13,045,076.42x = 18,002,261.97 × 7,243,840.34
  4. Step 4: Simplify right side
    13,045,076.42x = 130,405,511,469,533.86
  5. Step 5: Solve for x
    x = 130,405,511,469,533.86/13,045,076.42
  6. Step 6: Final answer
    x = 9,996,531.05

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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.