Home / 12,283,773.12-18,387,868.32-8,014,749.12

Finding the Fourth Proportional to 12,283,773.12, 18,387,868.32 and 8,014,749.12

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Solution

The fourth proportional to 12,283,773.12, 18,387,868.32 and 8,014,749.12 is: 11,997,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,773.12 : 18,387,868.32 = 8,014,749.12 : x
  2. Step 2: Convert to fraction form
    12,283,773.12/18,387,868.32 = 8,014,749.12/x
  3. Step 3: Cross multiply
    12,283,773.12x = 18,387,868.32 × 8,014,749.12
  4. Step 4: Simplify right side
    12,283,773.12x = 147,374,151,436,395.88
  5. Step 5: Solve for x
    x = 147,374,151,436,395.88/12,283,773.12
  6. Step 6: Final answer
    x = 11,997,466.09

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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.