Finding the Fourth Proportional to 8,026,642.37, 11,072,134.08 and 5,122,760.18
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Solution
The fourth proportional to 8,026,642.37, 11,072,134.08 and 5,122,760.18 is: 7,066,452.56
Step by Step Solution
- Step 1: Write the proportion equation
8,026,642.37 : 11,072,134.08 = 5,122,760.18 : x - Step 2: Convert to fraction form
8,026,642.37/11,072,134.08 = 5,122,760.18/x - Step 3: Cross multiply
8,026,642.37x = 11,072,134.08 × 5,122,760.18 - Step 4: Simplify right side
8,026,642.37x = 56,719,887,517,284.27 - Step 5: Solve for x
x = 56,719,887,517,284.27/8,026,642.37 - Step 6: Final answer
x = 7,066,452.56
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1.5x scale
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.