Finding the Fourth Proportional to 11,863,856.73, 16,371,486.40 and 6,706,910.73
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Solution
The fourth proportional to 11,863,856.73, 16,371,486.40 and 6,706,910.73 is: 9,255,177.33
Step by Step Solution
- Step 1: Write the proportion equation
11,863,856.73 : 16,371,486.40 = 6,706,910.73 : x - Step 2: Convert to fraction form
11,863,856.73/16,371,486.40 = 6,706,910.73/x - Step 3: Cross multiply
11,863,856.73x = 16,371,486.40 × 6,706,910.73 - Step 4: Simplify right side
11,863,856.73x = 109,802,097,802,209.08 - Step 5: Solve for x
x = 109,802,097,802,209.08/11,863,856.73 - Step 6: Final answer
x = 9,255,177.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.