Finding the Fourth Proportional to 11,274,971.70, 16,918,854.85 and 6,087,511.68
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Solution
The fourth proportional to 11,274,971.70, 16,918,854.85 and 6,087,511.68 is: 9,134,721.51
Step by Step Solution
- Step 1: Write the proportion equation
11,274,971.70 : 16,918,854.85 = 6,087,511.68 : x - Step 2: Convert to fraction form
11,274,971.70/16,918,854.85 = 6,087,511.68/x - Step 3: Cross multiply
11,274,971.70x = 16,918,854.85 × 6,087,511.68 - Step 4: Simplify right side
11,274,971.70x = 102,993,726,511,599.66 - Step 5: Solve for x
x = 102,993,726,511,599.66/11,274,971.70 - Step 6: Final answer
x = 9,134,721.51
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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.