Home / 12,115,784.60-18,173,676.90-11,052,902.60

Finding the Fourth Proportional to 12,115,784.60, 18,173,676.90 and 11,052,902.60

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Solution

The fourth proportional to 12,115,784.60, 18,173,676.90 and 11,052,902.60 is: 16,579,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,784.60 : 18,173,676.90 = 11,052,902.60 : x
  2. Step 2: Convert to fraction form
    12,115,784.60/18,173,676.90 = 11,052,902.60/x
  3. Step 3: Cross multiply
    12,115,784.60x = 18,173,676.90 × 11,052,902.60
  4. Step 4: Simplify right side
    12,115,784.60x = 200,871,880,659,569.91
  5. Step 5: Solve for x
    x = 200,871,880,659,569.91/12,115,784.60
  6. Step 6: Final answer
    x = 16,579,353.90

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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.