Finding the Fourth Proportional to 16,187,791.75, 22,338,881.67 and 8,845,455.54
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Solution
The fourth proportional to 16,187,791.75, 22,338,881.67 and 8,845,455.54 is: 12,206,580.59
Step by Step Solution
- Step 1: Write the proportion equation
16,187,791.75 : 22,338,881.67 = 8,845,455.54 : x - Step 2: Convert to fraction form
16,187,791.75/22,338,881.67 = 8,845,455.54/x - Step 3: Cross multiply
16,187,791.75x = 22,338,881.67 × 8,845,455.54 - Step 4: Simplify right side
16,187,791.75x = 197,597,584,625,305.94 - Step 5: Solve for x
x = 197,597,584,625,305.94/16,187,791.75 - Step 6: Final answer
x = 12,206,580.59
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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.