Finding the Fourth Proportional to 12,205,497.12, 16,844,373.12 and 6,772,989.12
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Solution
The fourth proportional to 12,205,497.12, 16,844,373.12 and 6,772,989.12 is: 9,347,161.75
Step by Step Solution
- Step 1: Write the proportion equation
12,205,497.12 : 16,844,373.12 = 6,772,989.12 : x - Step 2: Convert to fraction form
12,205,497.12/16,844,373.12 = 6,772,989.12/x - Step 3: Cross multiply
12,205,497.12x = 16,844,373.12 × 6,772,989.12 - Step 4: Simplify right side
12,205,497.12x = 114,086,755,874,980.47 - Step 5: Solve for x
x = 114,086,755,874,980.47/12,205,497.12 - Step 6: Final answer
x = 9,347,161.75
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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.