Finding the Fourth Proportional to 7,816,482.99, 10,786,591.29 and 4,331,749.49
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Solution
The fourth proportional to 7,816,482.99, 10,786,591.29 and 4,331,749.49 is: 5,977,728.27
Step by Step Solution
- Step 1: Write the proportion equation
7,816,482.99 : 10,786,591.29 = 4,331,749.49 : x - Step 2: Convert to fraction form
7,816,482.99/10,786,591.29 = 4,331,749.49/x - Step 3: Cross multiply
7,816,482.99x = 10,786,591.29 × 4,331,749.49 - Step 4: Simplify right side
7,816,482.99x = 46,724,811,322,056.76 - Step 5: Solve for x
x = 46,724,811,322,056.76/7,816,482.99 - Step 6: Final answer
x = 5,977,728.27
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Double scale
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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.