Finding the Fourth Proportional to 14,290,662.24, 19,724,231.97 and 8,788,770.45
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Solution
The fourth proportional to 14,290,662.24, 19,724,231.97 and 8,788,770.45 is: 12,130,420.84
Step by Step Solution
- Step 1: Write the proportion equation
14,290,662.24 : 19,724,231.97 = 8,788,770.45 : x - Step 2: Convert to fraction form
14,290,662.24/19,724,231.97 = 8,788,770.45/x - Step 3: Cross multiply
14,290,662.24x = 19,724,231.97 × 8,788,770.45 - Step 4: Simplify right side
14,290,662.24x = 173,351,747,086,881.25 - Step 5: Solve for x
x = 173,351,747,086,881.25/14,290,662.24 - Step 6: Final answer
x = 12,130,420.84
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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.