Finding the Fourth Proportional to 18,968,798.22, 26,177,575.98 and 11,625,212.31
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Solution
The fourth proportional to 18,968,798.22, 26,177,575.98 and 11,625,212.31 is: 16,043,181.81
Step by Step Solution
- Step 1: Write the proportion equation
18,968,798.22 : 26,177,575.98 = 11,625,212.31 : x - Step 2: Convert to fraction form
18,968,798.22/26,177,575.98 = 11,625,212.31/x - Step 3: Cross multiply
18,968,798.22x = 26,177,575.98 × 11,625,212.31 - Step 4: Simplify right side
18,968,798.22x = 304,319,878,528,656.31 - Step 5: Solve for x
x = 304,319,878,528,656.31/18,968,798.22 - Step 6: Final answer
x = 16,043,181.81
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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.