Finding the Fourth Proportional to 7,665,916.14, 11,487,513.56 and 3,111,423.84
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Solution
The fourth proportional to 7,665,916.14, 11,487,513.56 and 3,111,423.84 is: 4,662,524.72
Step by Step Solution
- Step 1: Write the proportion equation
7,665,916.14 : 11,487,513.56 = 3,111,423.84 : x - Step 2: Convert to fraction form
7,665,916.14/11,487,513.56 = 3,111,423.84/x - Step 3: Cross multiply
7,665,916.14x = 11,487,513.56 × 3,111,423.84 - Step 4: Simplify right side
7,665,916.14x = 35,742,523,537,350.15 - Step 5: Solve for x
x = 35,742,523,537,350.15/7,665,916.14 - Step 6: Final answer
x = 4,662,524.72
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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.