Finding the Fourth Proportional to 8,658,179.68, 11,948,103.56 and 4,737,920.26
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Solution
The fourth proportional to 8,658,179.68, 11,948,103.56 and 4,737,920.26 is: 6,538,229.05
Step by Step Solution
- Step 1: Write the proportion equation
8,658,179.68 : 11,948,103.56 = 4,737,920.26 : x - Step 2: Convert to fraction form
8,658,179.68/11,948,103.56 = 4,737,920.26/x - Step 3: Cross multiply
8,658,179.68x = 11,948,103.56 × 4,737,920.26 - Step 4: Simplify right side
8,658,179.68x = 56,609,161,925,502.12 - Step 5: Solve for x
x = 56,609,161,925,502.12/8,658,179.68 - Step 6: Final answer
x = 6,538,229.05
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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.