Finding the Fourth Proportional to 12,035,948.64, 16,609,608.99 and 6,879,420.92
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Solution
The fourth proportional to 12,035,948.64, 16,609,608.99 and 6,879,420.92 is: 9,493,600.79
Step by Step Solution
- Step 1: Write the proportion equation
12,035,948.64 : 16,609,608.99 = 6,879,420.92 : x - Step 2: Convert to fraction form
12,035,948.64/16,609,608.99 = 6,879,420.92/x - Step 3: Cross multiply
12,035,948.64x = 16,609,608.99 × 6,879,420.92 - Step 4: Simplify right side
12,035,948.64x = 114,264,491,475,778.03 - Step 5: Solve for x
x = 114,264,491,475,778.03/12,035,948.64 - Step 6: Final answer
x = 9,493,600.79
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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.