Finding the Fourth Proportional to 29,438,489.49, 40,625,117.44 and 16,385,468.28
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Solution
The fourth proportional to 29,438,489.49, 40,625,117.44 and 16,385,468.28 is: 22,611,947.31
Step by Step Solution
- Step 1: Write the proportion equation
29,438,489.49 : 40,625,117.44 = 16,385,468.28 : x - Step 2: Convert to fraction form
29,438,489.49/40,625,117.44 = 16,385,468.28/x - Step 3: Cross multiply
29,438,489.49x = 40,625,117.44 × 16,385,468.28 - Step 4: Simplify right side
29,438,489.49x = 665,661,573,083,255.25 - Step 5: Solve for x
x = 665,661,573,083,255.25/29,438,489.49 - Step 6: Final answer
x = 22,611,947.31
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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.