Finding the Fourth Proportional to 11,949,659.82, 16,490,455.20 and 6,793,021.62
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Solution
The fourth proportional to 11,949,659.82, 16,490,455.20 and 6,793,021.62 is: 9,374,327.00
Step by Step Solution
- Step 1: Write the proportion equation
11,949,659.82 : 16,490,455.20 = 6,793,021.62 : x - Step 2: Convert to fraction form
11,949,659.82/16,490,455.20 = 6,793,021.62/x - Step 3: Cross multiply
11,949,659.82x = 16,490,455.20 × 6,793,021.62 - Step 4: Simplify right side
11,949,659.82x = 112,020,018,697,241.42 - Step 5: Solve for x
x = 112,020,018,697,241.42/11,949,659.82 - Step 6: Final answer
x = 9,374,327.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.