Finding the Fourth Proportional to 13,942,407.27, 19,240,138.44 and 7,747,293.99
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Solution
The fourth proportional to 13,942,407.27, 19,240,138.44 and 7,747,293.99 is: 10,691,052.56
Step by Step Solution
- Step 1: Write the proportion equation
13,942,407.27 : 19,240,138.44 = 7,747,293.99 : x - Step 2: Convert to fraction form
13,942,407.27/19,240,138.44 = 7,747,293.99/x - Step 3: Cross multiply
13,942,407.27x = 19,240,138.44 × 7,747,293.99 - Step 4: Simplify right side
13,942,407.27x = 149,059,008,902,980 - Step 5: Solve for x
x = 149,059,008,902,980/13,942,407.27 - Step 6: Final answer
x = 10,691,052.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.