Finding the Fourth Proportional to 38,776,565.92, 53,508,514.80 and 22,480,091.68
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Solution
The fourth proportional to 38,776,565.92, 53,508,514.80 and 22,480,091.68 is: 31,020,702.58
Step by Step Solution
- Step 1: Write the proportion equation
38,776,565.92 : 53,508,514.80 = 22,480,091.68 : x - Step 2: Convert to fraction form
38,776,565.92/53,508,514.80 = 22,480,091.68/x - Step 3: Cross multiply
38,776,565.92x = 53,508,514.80 × 22,480,091.68 - Step 4: Simplify right side
38,776,565.92x = 1,202,876,318,364,636.75 - Step 5: Solve for x
x = 1,202,876,318,364,636.75/38,776,565.92 - Step 6: Final answer
x = 31,020,702.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.