Home / 12,283,775.37-18,387,871.70-8,014,751.37

Finding the Fourth Proportional to 12,283,775.37, 18,387,871.70 and 8,014,751.37

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Solution

The fourth proportional to 12,283,775.37, 18,387,871.70 and 8,014,751.37 is: 11,997,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,775.37 : 18,387,871.70 = 8,014,751.37 : x
  2. Step 2: Convert to fraction form
    12,283,775.37/18,387,871.70 = 8,014,751.37/x
  3. Step 3: Cross multiply
    12,283,775.37x = 18,387,871.70 × 8,014,751.37
  4. Step 4: Simplify right side
    12,283,775.37x = 147,374,219,858,885.47
  5. Step 5: Solve for x
    x = 147,374,219,858,885.47/12,283,775.37
  6. Step 6: Final answer
    x = 11,997,469.46

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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.