Finding the Fourth Proportional to 8,687,511.24, 11,985,795.99 and 4,963,670.33
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Solution
The fourth proportional to 8,687,511.24, 11,985,795.99 and 4,963,670.33 is: 6,848,168.39
Step by Step Solution
- Step 1: Write the proportion equation
8,687,511.24 : 11,985,795.99 = 4,963,670.33 : x - Step 2: Convert to fraction form
8,687,511.24/11,985,795.99 = 4,963,670.33/x - Step 3: Cross multiply
8,687,511.24x = 11,985,795.99 × 4,963,670.33 - Step 4: Simplify right side
8,687,511.24x = 59,493,539,877,067 - Step 5: Solve for x
x = 59,493,539,877,067/8,687,511.24 - Step 6: Final answer
x = 6,848,168.39
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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.