Finding the Fourth Proportional to 12,107,732.16, 18,161,072.64 and 3,009,637.44
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Solution
The fourth proportional to 12,107,732.16, 18,161,072.64 and 3,009,637.44 is: 4,514,325.51
Step by Step Solution
- Step 1: Write the proportion equation
12,107,732.16 : 18,161,072.64 = 3,009,637.44 : x - Step 2: Convert to fraction form
12,107,732.16/18,161,072.64 = 3,009,637.44/x - Step 3: Cross multiply
12,107,732.16x = 18,161,072.64 × 3,009,637.44 - Step 4: Simplify right side
12,107,732.16x = 54,658,244,167,903.64 - Step 5: Solve for x
x = 54,658,244,167,903.64/12,107,732.16 - Step 6: Final answer
x = 4,514,325.51
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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.