Finding the Fourth Proportional to 7,581,880.08, 11,374,814.34 and 2,724,677.28
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Solution
The fourth proportional to 7,581,880.08, 11,374,814.34 and 2,724,677.28 is: 4,087,732.58
Step by Step Solution
- Step 1: Write the proportion equation
7,581,880.08 : 11,374,814.34 = 2,724,677.28 : x - Step 2: Convert to fraction form
7,581,880.08/11,374,814.34 = 2,724,677.28/x - Step 3: Cross multiply
7,581,880.08x = 11,374,814.34 × 2,724,677.28 - Step 4: Simplify right side
7,581,880.08x = 30,992,698,196,416.19 - Step 5: Solve for x
x = 30,992,698,196,416.19/7,581,880.08 - Step 6: Final answer
x = 4,087,732.58
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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.