Finding the Fourth Proportional to 11,876,997.88, 16,390,257.07 and 6,444,489.88
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Solution
The fourth proportional to 11,876,997.88, 16,390,257.07 and 6,444,489.88 is: 8,893,396.03
Step by Step Solution
- Step 1: Write the proportion equation
11,876,997.88 : 16,390,257.07 = 6,444,489.88 : x - Step 2: Convert to fraction form
11,876,997.88/16,390,257.07 = 6,444,489.88/x - Step 3: Cross multiply
11,876,997.88x = 16,390,257.07 × 6,444,489.88 - Step 4: Simplify right side
11,876,997.88x = 105,626,845,736,262.17 - Step 5: Solve for x
x = 105,626,845,736,262.17/11,876,997.88 - Step 6: Final answer
x = 8,893,396.03
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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.