Finding the Fourth Proportional to 22,157,423.40, 33,236,135.10 and 14,592,930.60
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Solution
The fourth proportional to 22,157,423.40, 33,236,135.10 and 14,592,930.60 is: 21,889,395.90
Step by Step Solution
- Step 1: Write the proportion equation
22,157,423.40 : 33,236,135.10 = 14,592,930.60 : x - Step 2: Convert to fraction form
22,157,423.40/33,236,135.10 = 14,592,930.60/x - Step 3: Cross multiply
22,157,423.40x = 33,236,135.10 × 14,592,930.60 - Step 4: Simplify right side
22,157,423.40x = 485,012,612,926,524.06 - Step 5: Solve for x
x = 485,012,612,926,524.06/22,157,423.40 - Step 6: Final answer
x = 21,889,395.90
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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.