Finding the Fourth Proportional to 8,207,373.84, 12,311,696.28 and 2,742,487.62
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Solution
The fourth proportional to 8,207,373.84, 12,311,696.28 and 2,742,487.62 is: 4,113,943.79
Step by Step Solution
- Step 1: Write the proportion equation
8,207,373.84 : 12,311,696.28 = 2,742,487.62 : x - Step 2: Convert to fraction form
8,207,373.84/12,311,696.28 = 2,742,487.62/x - Step 3: Cross multiply
8,207,373.84x = 12,311,696.28 × 2,742,487.62 - Step 4: Simplify right side
8,207,373.84x = 33,764,674,629,100.05 - Step 5: Solve for x
x = 33,764,674,629,100.05/8,207,373.84 - Step 6: Final answer
x = 4,113,943.79
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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.