Finding the Fourth Proportional to 21,645,524.67, 29,870,454.87 and 11,722,326.73
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Solution
The fourth proportional to 21,645,524.67, 29,870,454.87 and 11,722,326.73 is: 16,176,610.95
Step by Step Solution
- Step 1: Write the proportion equation
21,645,524.67 : 29,870,454.87 = 11,722,326.73 : x - Step 2: Convert to fraction form
21,645,524.67/29,870,454.87 = 11,722,326.73/x - Step 3: Cross multiply
21,645,524.67x = 29,870,454.87 × 11,722,326.73 - Step 4: Simplify right side
21,645,524.67x = 350,151,231,501,248.06 - Step 5: Solve for x
x = 350,151,231,501,248.06/21,645,524.67 - Step 6: Final answer
x = 16,176,610.95
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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.