Finding the Fourth Proportional to 19,951,768.87, 29,927,472.77 and 6,304,917.42
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Solution
The fourth proportional to 19,951,768.87, 29,927,472.77 and 6,304,917.42 is: 9,457,319.07
Step by Step Solution
- Step 1: Write the proportion equation
19,951,768.87 : 29,927,472.77 = 6,304,917.42 : x - Step 2: Convert to fraction form
19,951,768.87/29,927,472.77 = 6,304,917.42/x - Step 3: Cross multiply
19,951,768.87x = 29,927,472.77 × 6,304,917.42 - Step 4: Simplify right side
19,951,768.87x = 188,690,244,222,986.72 - Step 5: Solve for x
x = 188,690,244,222,986.72/19,951,768.87 - Step 6: Final answer
x = 9,457,319.07
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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.