Finding the Fourth Proportional to 26,482,646.82, 39,724,715.67 and 7,313,403.99
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Solution
The fourth proportional to 26,482,646.82, 39,724,715.67 and 7,313,403.99 is: 10,970,311.84
Step by Step Solution
- Step 1: Write the proportion equation
26,482,646.82 : 39,724,715.67 = 7,313,403.99 : x - Step 2: Convert to fraction form
26,482,646.82/39,724,715.67 = 7,313,403.99/x - Step 3: Cross multiply
26,482,646.82x = 39,724,715.67 × 7,313,403.99 - Step 4: Simplify right side
26,482,646.82x = 290,522,894,082,593.56 - Step 5: Solve for x
x = 290,522,894,082,593.56/26,482,646.82 - Step 6: Final answer
x = 10,970,311.84
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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.