Finding the Fourth Proportional to 7,810,897.86, 11,718,217.44 and 3,259,414.80
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Solution
The fourth proportional to 7,810,897.86, 11,718,217.44 and 3,259,414.80 is: 4,889,902.80
Step by Step Solution
- Step 1: Write the proportion equation
7,810,897.86 : 11,718,217.44 = 3,259,414.80 : x - Step 2: Convert to fraction form
7,810,897.86/11,718,217.44 = 3,259,414.80/x - Step 3: Cross multiply
7,810,897.86x = 11,718,217.44 × 3,259,414.80 - Step 4: Simplify right side
7,810,897.86x = 38,194,531,353,554.11 - Step 5: Solve for x
x = 38,194,531,353,554.11/7,810,897.86 - Step 6: Final answer
x = 4,889,902.80
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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.