Finding the Fourth Proportional to 38,115,815.44, 57,176,211.48 and 27,911,215.12
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Solution
The fourth proportional to 38,115,815.44, 57,176,211.48 and 27,911,215.12 is: 41,868,644.81
Step by Step Solution
- Step 1: Write the proportion equation
38,115,815.44 : 57,176,211.48 = 27,911,215.12 : x - Step 2: Convert to fraction form
38,115,815.44/57,176,211.48 = 27,911,215.12/x - Step 3: Cross multiply
38,115,815.44x = 57,176,211.48 × 27,911,215.12 - Step 4: Simplify right side
38,115,815.44x = 1,595,857,538,364,893.50 - Step 5: Solve for x
x = 1,595,857,538,364,893.50/38,115,815.44 - Step 6: Final answer
x = 41,868,644.81
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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.