Finding the Fourth Proportional to 7,338,474.10, 11,007,711.15 and 1,947,114.10
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Solution
The fourth proportional to 7,338,474.10, 11,007,711.15 and 1,947,114.10 is: 2,920,671.15
Step by Step Solution
- Step 1: Write the proportion equation
7,338,474.10 : 11,007,711.15 = 1,947,114.10 : x - Step 2: Convert to fraction form
7,338,474.10/11,007,711.15 = 1,947,114.10/x - Step 3: Cross multiply
7,338,474.10x = 11,007,711.15 × 1,947,114.10 - Step 4: Simplify right side
7,338,474.10x = 21,433,269,588,892.21 - Step 5: Solve for x
x = 21,433,269,588,892.21/7,338,474.10 - Step 6: Final answer
x = 2,920,671.15
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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.