Finding the Fourth Proportional to 11,415,341.76, 15,753,815.20 and 6,771,876
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Solution
The fourth proportional to 11,415,341.76, 15,753,815.20 and 6,771,876 is: 9,345,570.66
Step by Step Solution
- Step 1: Write the proportion equation
11,415,341.76 : 15,753,815.20 = 6,771,876 : x - Step 2: Convert to fraction form
11,415,341.76/15,753,815.20 = 6,771,876/x - Step 3: Cross multiply
11,415,341.76x = 15,753,815.20 × 6,771,876 - Step 4: Simplify right side
11,415,341.76x = 106,682,883,061,315.19 - Step 5: Solve for x
x = 106,682,883,061,315.19/11,415,341.76 - Step 6: Final answer
x = 9,345,570.66
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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.