Finding the Fourth Proportional to 17,425,425.51, 26,139,777.39 and 5,129,396.91
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Solution
The fourth proportional to 17,425,425.51, 26,139,777.39 and 5,129,396.91 is: 7,694,577.86
Step by Step Solution
- Step 1: Write the proportion equation
17,425,425.51 : 26,139,777.39 = 5,129,396.91 : x - Step 2: Convert to fraction form
17,425,425.51/26,139,777.39 = 5,129,396.91/x - Step 3: Cross multiply
17,425,425.51x = 26,139,777.39 × 5,129,396.91 - Step 4: Simplify right side
17,425,425.51x = 134,081,293,372,353.88 - Step 5: Solve for x
x = 134,081,293,372,353.88/17,425,425.51 - Step 6: Final answer
x = 7,694,577.86
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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.