Finding the Fourth Proportional to 18,375,652.10, 27,561,374.99 and 4,913,529.86
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Solution
The fourth proportional to 18,375,652.10, 27,561,374.99 and 4,913,529.86 is: 7,369,732.42
Step by Step Solution
- Step 1: Write the proportion equation
18,375,652.10 : 27,561,374.99 = 4,913,529.86 : x - Step 2: Convert to fraction form
18,375,652.10/27,561,374.99 = 4,913,529.86/x - Step 3: Cross multiply
18,375,652.10x = 27,561,374.99 × 4,913,529.86 - Step 4: Simplify right side
18,375,652.10x = 135,423,638,971,454.56 - Step 5: Solve for x
x = 135,423,638,971,454.56/18,375,652.10 - Step 6: Final answer
x = 7,369,732.42
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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.