Finding the Fourth Proportional to 12,001,135.70, 16,561,608.99 and 6,494,509.15
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Solution
The fourth proportional to 12,001,135.70, 16,561,608.99 and 6,494,509.15 is: 8,962,445.21
Step by Step Solution
- Step 1: Write the proportion equation
12,001,135.70 : 16,561,608.99 = 6,494,509.15 : x - Step 2: Convert to fraction form
12,001,135.70/16,561,608.99 = 6,494,509.15/x - Step 3: Cross multiply
12,001,135.70x = 16,561,608.99 × 6,494,509.15 - Step 4: Simplify right side
12,001,135.70x = 107,559,521,124,277.27 - Step 5: Solve for x
x = 107,559,521,124,277.27/12,001,135.70 - Step 6: Final answer
x = 8,962,445.21
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1.5x scale
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.