Finding the Fourth Proportional to 47,403,226.57, 71,104,839.87 and 13,324,572.45
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Solution
The fourth proportional to 47,403,226.57, 71,104,839.87 and 13,324,572.45 is: 19,986,858.68
Step by Step Solution
- Step 1: Write the proportion equation
47,403,226.57 : 71,104,839.87 = 13,324,572.45 : x - Step 2: Convert to fraction form
47,403,226.57/71,104,839.87 = 13,324,572.45/x - Step 3: Cross multiply
47,403,226.57x = 71,104,839.87 × 13,324,572.45 - Step 4: Simplify right side
47,403,226.57x = 947,441,590,393,463.62 - Step 5: Solve for x
x = 947,441,590,393,463.62/47,403,226.57 - Step 6: Final answer
x = 19,986,858.68
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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.