Finding the Fourth Proportional to 40,721,402.84, 61,082,115.62 and 11,967,536.84
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Solution
The fourth proportional to 40,721,402.84, 61,082,115.62 and 11,967,536.84 is: 17,951,308.59
Step by Step Solution
- Step 1: Write the proportion equation
40,721,402.84 : 61,082,115.62 = 11,967,536.84 : x - Step 2: Convert to fraction form
40,721,402.84/61,082,115.62 = 11,967,536.84/x - Step 3: Cross multiply
40,721,402.84x = 61,082,115.62 × 11,967,536.84 - Step 4: Simplify right side
40,721,402.84x = 731,002,468,582,241.25 - Step 5: Solve for x
x = 731,002,468,582,241.25/40,721,402.84 - Step 6: Final answer
x = 17,951,308.59
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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.