Finding the Fourth Proportional to 7,413,818.68, 11,125,273.48 and 3,318,602.46
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Solution
The fourth proportional to 7,413,818.68, 11,125,273.48 and 3,318,602.46 is: 4,979,938.34
Step by Step Solution
- Step 1: Write the proportion equation
7,413,818.68 : 11,125,273.48 = 3,318,602.46 : x - Step 2: Convert to fraction form
7,413,818.68/11,125,273.48 = 3,318,602.46/x - Step 3: Cross multiply
7,413,818.68x = 11,125,273.48 × 3,318,602.46 - Step 4: Simplify right side
7,413,818.68x = 36,920,359,929,508.42 - Step 5: Solve for x
x = 36,920,359,929,508.42/7,413,818.68 - Step 6: Final answer
x = 4,979,938.34
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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.