Finding the Fourth Proportional to 40,721,396.09, 61,082,105.49 and 11,967,530.09
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Solution
The fourth proportional to 40,721,396.09, 61,082,105.49 and 11,967,530.09 is: 17,951,298.47
Step by Step Solution
- Step 1: Write the proportion equation
40,721,396.09 : 61,082,105.49 = 11,967,530.09 : x - Step 2: Convert to fraction form
40,721,396.09/61,082,105.49 = 11,967,530.09/x - Step 3: Cross multiply
40,721,396.09x = 61,082,105.49 × 11,967,530.09 - Step 4: Simplify right side
40,721,396.09x = 731,001,935,106,718.75 - Step 5: Solve for x
x = 731,001,935,106,718.75/40,721,396.09 - Step 6: Final answer
x = 17,951,298.47
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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.