Finding the Fourth Proportional to 7,581,881.08, 11,374,815.84 and 2,724,678.28
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Solution
The fourth proportional to 7,581,881.08, 11,374,815.84 and 2,724,678.28 is: 4,087,734.08
Step by Step Solution
- Step 1: Write the proportion equation
7,581,881.08 : 11,374,815.84 = 2,724,678.28 : x - Step 2: Convert to fraction form
7,581,881.08/11,374,815.84 = 2,724,678.28/x - Step 3: Cross multiply
7,581,881.08x = 11,374,815.84 × 2,724,678.28 - Step 4: Simplify right side
7,581,881.08x = 30,992,713,658,247.95 - Step 5: Solve for x
x = 30,992,713,658,247.95/7,581,881.08 - Step 6: Final answer
x = 4,087,734.08
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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.