Finding the Fourth Proportional to 53,206,716.14, 73,425,235.80 and 28,760,430.14
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Solution
The fourth proportional to 53,206,716.14, 73,425,235.80 and 28,760,430.14 is: 39,689,376.04
Step by Step Solution
- Step 1: Write the proportion equation
53,206,716.14 : 73,425,235.80 = 28,760,430.14 : x - Step 2: Convert to fraction form
53,206,716.14/73,425,235.80 = 28,760,430.14/x - Step 3: Cross multiply
53,206,716.14x = 73,425,235.80 × 28,760,430.14 - Step 4: Simplify right side
53,206,716.14x = 2,111,741,364,738,927 - Step 5: Solve for x
x = 2,111,741,364,738,927/53,206,716.14 - Step 6: Final answer
x = 39,689,376.04
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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.