Finding the Fourth Proportional to 18,045,757.68, 24,904,720.56 and 9,898,570.32
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Solution
The fourth proportional to 18,045,757.68, 24,904,720.56 and 9,898,570.32 is: 13,660,890.95
Step by Step Solution
- Step 1: Write the proportion equation
18,045,757.68 : 24,904,720.56 = 9,898,570.32 : x - Step 2: Convert to fraction form
18,045,757.68/24,904,720.56 = 9,898,570.32/x - Step 3: Cross multiply
18,045,757.68x = 24,904,720.56 × 9,898,570.32 - Step 4: Simplify right side
18,045,757.68x = 246,521,127,763,109.78 - Step 5: Solve for x
x = 246,521,127,763,109.78/18,045,757.68 - Step 6: Final answer
x = 13,660,890.95
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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.