Finding the Fourth Proportional to 16,434,175.44, 22,679,144.96 and 9,190,831.44
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Solution
The fourth proportional to 16,434,175.44, 22,679,144.96 and 9,190,831.44 is: 12,683,337.80
Step by Step Solution
- Step 1: Write the proportion equation
16,434,175.44 : 22,679,144.96 = 9,190,831.44 : x - Step 2: Convert to fraction form
16,434,175.44/22,679,144.96 = 9,190,831.44/x - Step 3: Cross multiply
16,434,175.44x = 22,679,144.96 × 9,190,831.44 - Step 4: Simplify right side
16,434,175.44x = 208,440,198,530,685.53 - Step 5: Solve for x
x = 208,440,198,530,685.53/16,434,175.44 - Step 6: Final answer
x = 12,683,337.80
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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.