Finding the Fourth Proportional to 7,721,316.82, 11,582,064.40 and 2,330,013.94
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Solution
The fourth proportional to 7,721,316.82, 11,582,064.40 and 2,330,013.94 is: 3,495,047.82
Step by Step Solution
- Step 1: Write the proportion equation
7,721,316.82 : 11,582,064.40 = 2,330,013.94 : x - Step 2: Convert to fraction form
7,721,316.82/11,582,064.40 = 2,330,013.94/x - Step 3: Cross multiply
7,721,316.82x = 11,582,064.40 × 2,330,013.94 - Step 4: Simplify right side
7,721,316.82x = 26,986,371,505,977.73 - Step 5: Solve for x
x = 26,986,371,505,977.73/7,721,316.82 - Step 6: Final answer
x = 3,495,047.82
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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.