Finding the Fourth Proportional to 11,508,106.46, 15,881,108.77 and 6,351,467.99
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Solution
The fourth proportional to 11,508,106.46, 15,881,108.77 and 6,351,467.99 is: 8,764,982.69
Step by Step Solution
- Step 1: Write the proportion equation
11,508,106.46 : 15,881,108.77 = 6,351,467.99 : x - Step 2: Convert to fraction form
11,508,106.46/15,881,108.77 = 6,351,467.99/x - Step 3: Cross multiply
11,508,106.46x = 15,881,108.77 × 6,351,467.99 - Step 4: Simplify right side
11,508,106.46x = 100,868,353,926,897.06 - Step 5: Solve for x
x = 100,868,353,926,897.06/11,508,106.46 - Step 6: Final answer
x = 8,764,982.69
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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.