Finding the Fourth Proportional to 11,865,899.20, 17,794,701.60 and 6,184,235.20
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Solution
The fourth proportional to 11,865,899.20, 17,794,701.60 and 6,184,235.20 is: 9,274,191.37
Step by Step Solution
- Step 1: Write the proportion equation
11,865,899.20 : 17,794,701.60 = 6,184,235.20 : x - Step 2: Convert to fraction form
11,865,899.20/17,794,701.60 = 6,184,235.20/x - Step 3: Cross multiply
11,865,899.20x = 17,794,701.60 × 6,184,235.20 - Step 4: Simplify right side
11,865,899.20x = 110,046,620,008,216.33 - Step 5: Solve for x
x = 110,046,620,008,216.33/11,865,899.20 - Step 6: Final answer
x = 9,274,191.37
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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.