Finding the Fourth Proportional to 7,556,688.18, 11,335,712.97 and 2,439,239.40
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Solution
The fourth proportional to 7,556,688.18, 11,335,712.97 and 2,439,239.40 is: 3,659,078.82
Step by Step Solution
- Step 1: Write the proportion equation
7,556,688.18 : 11,335,712.97 = 2,439,239.40 : x - Step 2: Convert to fraction form
7,556,688.18/11,335,712.97 = 2,439,239.40/x - Step 3: Cross multiply
7,556,688.18x = 11,335,712.97 × 2,439,239.40 - Step 4: Simplify right side
7,556,688.18x = 27,650,517,703,515.02 - Step 5: Solve for x
x = 27,650,517,703,515.02/7,556,688.18 - Step 6: Final answer
x = 3,659,078.82
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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.