Finding the Fourth Proportional to 17,385,044.24, 23,990,160.84 and 9,649,478
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Solution
The fourth proportional to 17,385,044.24, 23,990,160.84 and 9,649,478 is: 13,315,613.47
Step by Step Solution
- Step 1: Write the proportion equation
17,385,044.24 : 23,990,160.84 = 9,649,478 : x - Step 2: Convert to fraction form
17,385,044.24/23,990,160.84 = 9,649,478/x - Step 3: Cross multiply
17,385,044.24x = 23,990,160.84 × 9,649,478 - Step 4: Simplify right side
17,385,044.24x = 231,492,529,242,041.53 - Step 5: Solve for x
x = 231,492,529,242,041.53/17,385,044.24 - Step 6: Final answer
x = 13,315,613.47
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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.