Finding the Fourth Proportional to 15,724,153.48, 21,699,287.35 and 8,848,635.48
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Solution
The fourth proportional to 15,724,153.48, 21,699,287.35 and 8,848,635.48 is: 12,211,091.95
Step by Step Solution
- Step 1: Write the proportion equation
15,724,153.48 : 21,699,287.35 = 8,848,635.48 : x - Step 2: Convert to fraction form
15,724,153.48/21,699,287.35 = 8,848,635.48/x - Step 3: Cross multiply
15,724,153.48x = 21,699,287.35 × 8,848,635.48 - Step 4: Simplify right side
15,724,153.48x = 192,009,083,935,925.19 - Step 5: Solve for x
x = 192,009,083,935,925.19/15,724,153.48 - Step 6: Final answer
x = 12,211,091.95
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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.