Finding the Fourth Proportional to 39,165,985.12, 54,026,541.64 and 24,456,112.96
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Solution
The fourth proportional to 39,165,985.12, 54,026,541.64 and 24,456,112.96 is: 33,735,375.25
Step by Step Solution
- Step 1: Write the proportion equation
39,165,985.12 : 54,026,541.64 = 24,456,112.96 : x - Step 2: Convert to fraction form
39,165,985.12/54,026,541.64 = 24,456,112.96/x - Step 3: Cross multiply
39,165,985.12x = 54,026,541.64 × 24,456,112.96 - Step 4: Simplify right side
39,165,985.12x = 1,321,279,205,185,983.75 - Step 5: Solve for x
x = 1,321,279,205,185,983.75/39,165,985.12 - Step 6: Final answer
x = 33,735,375.25
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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.