Finding the Fourth Proportional to 17,988,620.40, 26,985,295.44 and 9,469,424.88
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Solution
The fourth proportional to 17,988,620.40, 26,985,295.44 and 9,469,424.88 is: 14,205,382.20
Step by Step Solution
- Step 1: Write the proportion equation
17,988,620.40 : 26,985,295.44 = 9,469,424.88 : x - Step 2: Convert to fraction form
17,988,620.40/26,985,295.44 = 9,469,424.88/x - Step 3: Cross multiply
17,988,620.40x = 26,985,295.44 × 9,469,424.88 - Step 4: Simplify right side
17,988,620.40x = 255,535,228,033,686.59 - Step 5: Solve for x
x = 255,535,228,033,686.59/17,988,620.40 - Step 6: Final answer
x = 14,205,382.20
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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.