Finding the Fourth Proportional to 18,375,656.38, 27,561,381.35 and 4,913,534.14
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Solution
The fourth proportional to 18,375,656.38, 27,561,381.35 and 4,913,534.14 is: 7,369,738.82
Step by Step Solution
- Step 1: Write the proportion equation
18,375,656.38 : 27,561,381.35 = 4,913,534.14 : x - Step 2: Convert to fraction form
18,375,656.38/27,561,381.35 = 4,913,534.14/x - Step 3: Cross multiply
18,375,656.38x = 27,561,381.35 × 4,913,534.14 - Step 4: Simplify right side
18,375,656.38x = 135,423,788,208,784.28 - Step 5: Solve for x
x = 135,423,788,208,784.28/18,375,656.38 - Step 6: Final answer
x = 7,369,738.82
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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.