Home / 11,741,990.40-17,612,985.60-8,158,809.60

Finding the Fourth Proportional to 11,741,990.40, 17,612,985.60 and 8,158,809.60

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Solution

The fourth proportional to 11,741,990.40, 17,612,985.60 and 8,158,809.60 is: 12,238,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741,990.40 : 17,612,985.60 = 8,158,809.60 : x
  2. Step 2: Convert to fraction form
    11,741,990.40/17,612,985.60 = 8,158,809.60/x
  3. Step 3: Cross multiply
    11,741,990.40x = 17,612,985.60 × 8,158,809.60
  4. Step 4: Simplify right side
    11,741,990.40x = 143,700,995,997,941.75
  5. Step 5: Solve for x
    x = 143,700,995,997,941.75/11,741,990.40
  6. Step 6: Final answer
    x = 12,238,214.40

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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.