Home / 11,853,015.40-17,779,523.10-8,199,850.60

Finding the Fourth Proportional to 11,853,015.40, 17,779,523.10 and 8,199,850.60

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Solution

The fourth proportional to 11,853,015.40, 17,779,523.10 and 8,199,850.60 is: 12,299,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,015.40 : 17,779,523.10 = 8,199,850.60 : x
  2. Step 2: Convert to fraction form
    11,853,015.40/17,779,523.10 = 8,199,850.60/x
  3. Step 3: Cross multiply
    11,853,015.40x = 17,779,523.10 × 8,199,850.60
  4. Step 4: Simplify right side
    11,853,015.40x = 145,789,433,159,248.88
  5. Step 5: Solve for x
    x = 145,789,433,159,248.88/11,853,015.40
  6. Step 6: Final answer
    x = 12,299,775.90

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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.