Finding the Fourth Proportional to 31,193,815.37, 46,772,712.70 and 9,622,625.18
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Solution
The fourth proportional to 31,193,815.37, 46,772,712.70 and 9,622,625.18 is: 14,428,381.95
Step by Step Solution
- Step 1: Write the proportion equation
31,193,815.37 : 46,772,712.70 = 9,622,625.18 : x - Step 2: Convert to fraction form
31,193,815.37/46,772,712.70 = 9,622,625.18/x - Step 3: Cross multiply
31,193,815.37x = 46,772,712.70 × 9,622,625.18 - Step 4: Simplify right side
31,193,815.37x = 450,076,282,706,005.69 - Step 5: Solve for x
x = 450,076,282,706,005.69/31,193,815.37 - Step 6: Final answer
x = 14,428,381.95
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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.