Finding the Fourth Proportional to 29,198,710.14, 40,280,826.84 and 18,888,757.98
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Solution
The fourth proportional to 29,198,710.14, 40,280,826.84 and 18,888,757.98 is: 26,057,821.93
Step by Step Solution
- Step 1: Write the proportion equation
29,198,710.14 : 40,280,826.84 = 18,888,757.98 : x - Step 2: Convert to fraction form
29,198,710.14/40,280,826.84 = 18,888,757.98/x - Step 3: Cross multiply
29,198,710.14x = 40,280,826.84 × 18,888,757.98 - Step 4: Simplify right side
29,198,710.14x = 760,854,789,415,048.25 - Step 5: Solve for x
x = 760,854,789,415,048.25/29,198,710.14 - Step 6: Final answer
x = 26,057,821.93
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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.