Finding the Fourth Proportional to 12,380,497.68, 17,085,620.28 and 6,873,872.76
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Solution
The fourth proportional to 12,380,497.68, 17,085,620.28 and 6,873,872.76 is: 9,486,240.61
Step by Step Solution
- Step 1: Write the proportion equation
12,380,497.68 : 17,085,620.28 = 6,873,872.76 : x - Step 2: Convert to fraction form
12,380,497.68/17,085,620.28 = 6,873,872.76/x - Step 3: Cross multiply
12,380,497.68x = 17,085,620.28 × 6,873,872.76 - Step 4: Simplify right side
12,380,497.68x = 117,444,379,830,395.58 - Step 5: Solve for x
x = 117,444,379,830,395.58/12,380,497.68 - Step 6: Final answer
x = 9,486,240.61
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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.