Finding the Fourth Proportional to 39,531,112.32, 59,219,442.24 and 27,232,905.60
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Solution
The fourth proportional to 39,531,112.32, 59,219,442.24 and 27,232,905.60 is: 40,796,157.40
Step by Step Solution
- Step 1: Write the proportion equation
39,531,112.32 : 59,219,442.24 = 27,232,905.60 : x - Step 2: Convert to fraction form
39,531,112.32/59,219,442.24 = 27,232,905.60/x - Step 3: Cross multiply
39,531,112.32x = 59,219,442.24 × 27,232,905.60 - Step 4: Simplify right side
39,531,112.32x = 1,612,717,480,206,572.75 - Step 5: Solve for x
x = 1,612,717,480,206,572.75/39,531,112.32 - Step 6: Final answer
x = 40,796,157.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.