Finding the Fourth Proportional to 7,836,939.84, 10,813,997.68 and 4,351,804.79
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Solution
The fourth proportional to 7,836,939.84, 10,813,997.68 and 4,351,804.79 is: 6,004,946.80
Step by Step Solution
- Step 1: Write the proportion equation
7,836,939.84 : 10,813,997.68 = 4,351,804.79 : x - Step 2: Convert to fraction form
7,836,939.84/10,813,997.68 = 4,351,804.79/x - Step 3: Cross multiply
7,836,939.84x = 10,813,997.68 × 4,351,804.79 - Step 4: Simplify right side
7,836,939.84x = 47,060,406,837,923.39 - Step 5: Solve for x
x = 47,060,406,837,923.39/7,836,939.84 - Step 6: Final answer
x = 6,004,946.80
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1.5x scale
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.