Finding the Fourth Proportional to 23,669,128.10, 32,663,079.24 and 13,215,305
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Solution
The fourth proportional to 23,669,128.10, 32,663,079.24 and 13,215,305 is: 18,236,943.61
Step by Step Solution
- Step 1: Write the proportion equation
23,669,128.10 : 32,663,079.24 = 13,215,305 : x - Step 2: Convert to fraction form
23,669,128.10/32,663,079.24 = 13,215,305/x - Step 3: Cross multiply
23,669,128.10x = 32,663,079.24 × 13,215,305 - Step 4: Simplify right side
23,669,128.10x = 431,652,554,395,768.19 - Step 5: Solve for x
x = 431,652,554,395,768.19/23,669,128.10 - Step 6: Final answer
x = 18,236,943.61
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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.