Finding the Fourth Proportional to 16,389,076.80, 24,583,615.20 and 11,287,243.20
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Solution
The fourth proportional to 16,389,076.80, 24,583,615.20 and 11,287,243.20 is: 16,930,864.80
Step by Step Solution
- Step 1: Write the proportion equation
16,389,076.80 : 24,583,615.20 = 11,287,243.20 : x - Step 2: Convert to fraction form
16,389,076.80/24,583,615.20 = 11,287,243.20/x - Step 3: Cross multiply
16,389,076.80x = 24,583,615.20 × 11,287,243.20 - Step 4: Simplify right side
16,389,076.80x = 277,481,243,497,616.62 - Step 5: Solve for x
x = 277,481,243,497,616.62/16,389,076.80 - Step 6: Final answer
x = 16,930,864.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.