Finding the Fourth Proportional to 29,255,573.70, 40,369,226.49 and 16,869,738.47
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Solution
The fourth proportional to 29,255,573.70, 40,369,226.49 and 16,869,738.47 is: 23,278,240.92
Step by Step Solution
- Step 1: Write the proportion equation
29,255,573.70 : 40,369,226.49 = 16,869,738.47 : x - Step 2: Convert to fraction form
29,255,573.70/40,369,226.49 = 16,869,738.47/x - Step 3: Cross multiply
29,255,573.70x = 40,369,226.49 × 16,869,738.47 - Step 4: Simplify right side
29,255,573.70x = 681,018,292,920,650 - Step 5: Solve for x
x = 681,018,292,920,650/29,255,573.70 - Step 6: Final answer
x = 23,278,240.92
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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.