Finding the Fourth Proportional to 11,077,575.64, 15,275,003.12 and 7,202,911.48
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Solution
The fourth proportional to 11,077,575.64, 15,275,003.12 and 7,202,911.48 is: 9,932,181.82
Step by Step Solution
- Step 1: Write the proportion equation
11,077,575.64 : 15,275,003.12 = 7,202,911.48 : x - Step 2: Convert to fraction form
11,077,575.64/15,275,003.12 = 7,202,911.48/x - Step 3: Cross multiply
11,077,575.64x = 15,275,003.12 × 7,202,911.48 - Step 4: Simplify right side
11,077,575.64x = 110,024,495,330,083.81 - Step 5: Solve for x
x = 110,024,495,330,083.81/11,077,575.64 - Step 6: Final answer
x = 9,932,181.82
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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.