Finding the Fourth Proportional to 19,981,605.42, 27,574,696.35 and 10,814,245.74
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Solution
The fourth proportional to 19,981,605.42, 27,574,696.35 and 10,814,245.74 is: 14,923,702.89
Step by Step Solution
- Step 1: Write the proportion equation
19,981,605.42 : 27,574,696.35 = 10,814,245.74 : x - Step 2: Convert to fraction form
19,981,605.42/27,574,696.35 = 10,814,245.74/x - Step 3: Cross multiply
19,981,605.42x = 27,574,696.35 × 10,814,245.74 - Step 4: Simplify right side
19,981,605.42x = 298,199,542,534,781.06 - Step 5: Solve for x
x = 298,199,542,534,781.06/19,981,605.42 - Step 6: Final answer
x = 14,923,702.89
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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.