Finding the Fourth Proportional to 10,798,961.44, 14,906,319.76 and 6,217,109.28
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Solution
The fourth proportional to 10,798,961.44, 14,906,319.76 and 6,217,109.28 is: 8,581,771.44
Step by Step Solution
- Step 1: Write the proportion equation
10,798,961.44 : 14,906,319.76 = 6,217,109.28 : x - Step 2: Convert to fraction form
10,798,961.44/14,906,319.76 = 6,217,109.28/x - Step 3: Cross multiply
10,798,961.44x = 14,906,319.76 × 6,217,109.28 - Step 4: Simplify right side
10,798,961.44x = 92,674,218,910,543.38 - Step 5: Solve for x
x = 92,674,218,910,543.38/10,798,961.44 - Step 6: Final answer
x = 8,581,771.44
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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.