Finding the Fourth Proportional to 29,138,543.84, 40,211,319.48 and 16,085,910.08
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Solution
The fourth proportional to 29,138,543.84, 40,211,319.48 and 16,085,910.08 is: 22,198,627.11
Step by Step Solution
- Step 1: Write the proportion equation
29,138,543.84 : 40,211,319.48 = 16,085,910.08 : x - Step 2: Convert to fraction form
29,138,543.84/40,211,319.48 = 16,085,910.08/x - Step 3: Cross multiply
29,138,543.84x = 40,211,319.48 × 16,085,910.08 - Step 4: Simplify right side
29,138,543.84x = 646,835,669,353,432.25 - Step 5: Solve for x
x = 646,835,669,353,432.25/29,138,543.84 - Step 6: Final answer
x = 22,198,627.11
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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.