Finding the Fourth Proportional to 7,836,940.66, 10,813,998.80 and 4,351,805.58
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Solution
The fourth proportional to 7,836,940.66, 10,813,998.80 and 4,351,805.58 is: 6,004,947.90
Step by Step Solution
- Step 1: Write the proportion equation
7,836,940.66 : 10,813,998.80 = 4,351,805.58 : x - Step 2: Convert to fraction form
7,836,940.66/10,813,998.80 = 4,351,805.58/x - Step 3: Cross multiply
7,836,940.66x = 10,813,998.80 × 4,351,805.58 - Step 4: Simplify right side
7,836,940.66x = 47,060,420,319,953.30 - Step 5: Solve for x
x = 47,060,420,319,953.30/7,836,940.66 - Step 6: Final answer
x = 6,004,947.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.