Finding the Fourth Proportional to 8,327,712.70, 12,491,569.05 and 4,968,480.70
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Solution
The fourth proportional to 8,327,712.70, 12,491,569.05 and 4,968,480.70 is: 7,452,721.05
Step by Step Solution
- Step 1: Write the proportion equation
8,327,712.70 : 12,491,569.05 = 4,968,480.70 : x - Step 2: Convert to fraction form
8,327,712.70/12,491,569.05 = 4,968,480.70/x - Step 3: Cross multiply
8,327,712.70x = 12,491,569.05 × 4,968,480.70 - Step 4: Simplify right side
8,327,712.70x = 62,064,119,737,642.34 - Step 5: Solve for x
x = 62,064,119,737,642.34/8,327,712.70 - Step 6: Final answer
x = 7,452,721.05
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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.