Finding the Fourth Proportional to 13,072,846.08, 18,040,261.86 and 7,271,502.96
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Solution
The fourth proportional to 13,072,846.08, 18,040,261.86 and 7,271,502.96 is: 10,034,526.28
Step by Step Solution
- Step 1: Write the proportion equation
13,072,846.08 : 18,040,261.86 = 7,271,502.96 : x - Step 2: Convert to fraction form
13,072,846.08/18,040,261.86 = 7,271,502.96/x - Step 3: Cross multiply
13,072,846.08x = 18,040,261.86 × 7,271,502.96 - Step 4: Simplify right side
13,072,846.08x = 131,179,817,514,165.09 - Step 5: Solve for x
x = 131,179,817,514,165.09/13,072,846.08 - Step 6: Final answer
x = 10,034,526.28
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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.