Finding the Fourth Proportional to 10,756,645.86, 16,138,122.81 and 3,469,959.63
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Solution
The fourth proportional to 10,756,645.86, 16,138,122.81 and 3,469,959.63 is: 5,205,956.89
Step by Step Solution
- Step 1: Write the proportion equation
10,756,645.86 : 16,138,122.81 = 3,469,959.63 : x - Step 2: Convert to fraction form
10,756,645.86/16,138,122.81 = 3,469,959.63/x - Step 3: Cross multiply
10,756,645.86x = 16,138,122.81 × 3,469,959.63 - Step 4: Simplify right side
10,756,645.86x = 55,998,634,654,682.16 - Step 5: Solve for x
x = 55,998,634,654,682.16/10,756,645.86 - Step 6: Final answer
x = 5,205,956.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.