Finding the Fourth Proportional to 28,858,876.32, 39,825,893.99 and 16,468,723.07
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Solution
The fourth proportional to 28,858,876.32, 39,825,893.99 and 16,468,723.07 is: 22,727,205.72
Step by Step Solution
- Step 1: Write the proportion equation
28,858,876.32 : 39,825,893.99 = 16,468,723.07 : x - Step 2: Convert to fraction form
28,858,876.32/39,825,893.99 = 16,468,723.07/x - Step 3: Cross multiply
28,858,876.32x = 39,825,893.99 × 16,468,723.07 - Step 4: Simplify right side
28,858,876.32x = 655,881,618,855,014.25 - Step 5: Solve for x
x = 655,881,618,855,014.25/28,858,876.32 - Step 6: Final answer
x = 22,727,205.72
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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.