Finding the Fourth Proportional to 17,489,887.72, 24,135,964.98 and 9,649,186.60
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Solution
The fourth proportional to 17,489,887.72, 24,135,964.98 and 9,649,186.60 is: 13,315,833.33
Step by Step Solution
- Step 1: Write the proportion equation
17,489,887.72 : 24,135,964.98 = 9,649,186.60 : x - Step 2: Convert to fraction form
17,489,887.72/24,135,964.98 = 9,649,186.60/x - Step 3: Cross multiply
17,489,887.72x = 24,135,964.98 × 9,649,186.60 - Step 4: Simplify right side
17,489,887.72x = 232,892,429,863,085.25 - Step 5: Solve for x
x = 232,892,429,863,085.25/17,489,887.72 - Step 6: Final answer
x = 13,315,833.33
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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.