Finding the Fourth Proportional to 17,571,493.20, 26,374,241.64 and 8,479,990.68
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Solution
The fourth proportional to 17,571,493.20, 26,374,241.64 and 8,479,990.68 is: 12,728,191.10
Step by Step Solution
- Step 1: Write the proportion equation
17,571,493.20 : 26,374,241.64 = 8,479,990.68 : x - Step 2: Convert to fraction form
17,571,493.20/26,374,241.64 = 8,479,990.68/x - Step 3: Cross multiply
17,571,493.20x = 26,374,241.64 × 8,479,990.68 - Step 4: Simplify right side
17,571,493.20x = 223,653,323,299,267.91 - Step 5: Solve for x
x = 223,653,323,299,267.91/17,571,493.20 - Step 6: Final answer
x = 12,728,191.10
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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.