Finding the Fourth Proportional to 18,125,772.34, 24,996,178.62 and 12,178,628.04
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Solution
The fourth proportional to 18,125,772.34, 24,996,178.62 and 12,178,628.04 is: 16,794,824.30
Step by Step Solution
- Step 1: Write the proportion equation
18,125,772.34 : 24,996,178.62 = 12,178,628.04 : x - Step 2: Convert to fraction form
18,125,772.34/24,996,178.62 = 12,178,628.04/x - Step 3: Cross multiply
18,125,772.34x = 24,996,178.62 × 12,178,628.04 - Step 4: Simplify right side
18,125,772.34x = 304,419,161,834,380.50 - Step 5: Solve for x
x = 304,419,161,834,380.50/18,125,772.34 - Step 6: Final answer
x = 16,794,824.30
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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.