Finding the Fourth Proportional to 17,607,381.92, 24,297,879.12 and 9,872,400.32
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Solution
The fourth proportional to 17,607,381.92, 24,297,879.12 and 9,872,400.32 is: 13,623,739.79
Step by Step Solution
- Step 1: Write the proportion equation
17,607,381.92 : 24,297,879.12 = 9,872,400.32 : x - Step 2: Convert to fraction form
17,607,381.92/24,297,879.12 = 9,872,400.32/x - Step 3: Cross multiply
17,607,381.92x = 24,297,879.12 × 9,872,400.32 - Step 4: Simplify right side
17,607,381.92x = 239,878,389,599,609.34 - Step 5: Solve for x
x = 239,878,389,599,609.34/17,607,381.92 - Step 6: Final answer
x = 13,623,739.79
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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.