Finding the Fourth Proportional to 29,994,791.30, 41,392,605.90 and 16,243,440.74
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Solution
The fourth proportional to 29,994,791.30, 41,392,605.90 and 16,243,440.74 is: 22,415,836.61
Step by Step Solution
- Step 1: Write the proportion equation
29,994,791.30 : 41,392,605.90 = 16,243,440.74 : x - Step 2: Convert to fraction form
29,994,791.30/41,392,605.90 = 16,243,440.74/x - Step 3: Cross multiply
29,994,791.30x = 41,392,605.90 × 16,243,440.74 - Step 4: Simplify right side
29,994,791.30x = 672,358,341,010,824.38 - Step 5: Solve for x
x = 672,358,341,010,824.38/29,994,791.30 - Step 6: Final answer
x = 22,415,836.61
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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.