Finding the Fourth Proportional to 21,950,695.52, 32,915,087.13 and 7,176,866.07
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Solution
The fourth proportional to 21,950,695.52, 32,915,087.13 and 7,176,866.07 is: 10,761,716.95
Step by Step Solution
- Step 1: Write the proportion equation
21,950,695.52 : 32,915,087.13 = 7,176,866.07 : x - Step 2: Convert to fraction form
21,950,695.52/32,915,087.13 = 7,176,866.07/x - Step 3: Cross multiply
21,950,695.52x = 32,915,087.13 × 7,176,866.07 - Step 4: Simplify right side
21,950,695.52x = 236,227,172,057,888.62 - Step 5: Solve for x
x = 236,227,172,057,888.62/21,950,695.52 - Step 6: Final answer
x = 10,761,716.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.