Finding the Fourth Proportional to 16,163,443.36, 22,306,072.27 and 9,193,942.17
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Solution
The fourth proportional to 16,163,443.36, 22,306,072.27 and 9,193,942.17 is: 12,687,936.23
Step by Step Solution
- Step 1: Write the proportion equation
16,163,443.36 : 22,306,072.27 = 9,193,942.17 : x - Step 2: Convert to fraction form
16,163,443.36/22,306,072.27 = 9,193,942.17/x - Step 3: Cross multiply
16,163,443.36x = 22,306,072.27 × 9,193,942.17 - Step 4: Simplify right side
16,163,443.36x = 205,080,738,528,779.34 - Step 5: Solve for x
x = 205,080,738,528,779.34/16,163,443.36 - Step 6: Final answer
x = 12,687,936.23
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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.