Finding the Fourth Proportional to 19,933,241.96, 29,902,357.94 and 7,801,138.88
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Solution
The fourth proportional to 19,933,241.96, 29,902,357.94 and 7,801,138.88 is: 11,702,684.77
Step by Step Solution
- Step 1: Write the proportion equation
19,933,241.96 : 29,902,357.94 = 7,801,138.88 : x - Step 2: Convert to fraction form
19,933,241.96/29,902,357.94 = 7,801,138.88/x - Step 3: Cross multiply
19,933,241.96x = 29,902,357.94 × 7,801,138.88 - Step 4: Simplify right side
19,933,241.96x = 233,272,447,129,410.72 - Step 5: Solve for x
x = 233,272,447,129,410.72/19,933,241.96 - Step 6: Final answer
x = 11,702,684.77
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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.