Finding the Fourth Proportional to 15,162,689, 20,924,471.94 and 8,287,217.84
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Solution
The fourth proportional to 15,162,689, 20,924,471.94 and 8,287,217.84 is: 11,436,339.37
Step by Step Solution
- Step 1: Write the proportion equation
15,162,689 : 20,924,471.94 = 8,287,217.84 : x - Step 2: Convert to fraction form
15,162,689/20,924,471.94 = 8,287,217.84/x - Step 3: Cross multiply
15,162,689x = 20,924,471.94 × 8,287,217.84 - Step 4: Simplify right side
15,162,689x = 173,405,657,153,747.41 - Step 5: Solve for x
x = 173,405,657,153,747.41/15,162,689 - Step 6: Final answer
x = 11,436,339.37
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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.