Finding the Fourth Proportional to 20,464,517.08, 28,240,860.36 and 11,296,963
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Solution
The fourth proportional to 20,464,517.08, 28,240,860.36 and 11,296,963 is: 15,589,713.32
Step by Step Solution
- Step 1: Write the proportion equation
20,464,517.08 : 28,240,860.36 = 11,296,963 : x - Step 2: Convert to fraction form
20,464,517.08/28,240,860.36 = 11,296,963/x - Step 3: Cross multiply
20,464,517.08x = 28,240,860.36 × 11,296,963 - Step 4: Simplify right side
20,464,517.08x = 319,035,954,575,086.69 - Step 5: Solve for x
x = 319,035,954,575,086.69/20,464,517.08 - Step 6: Final answer
x = 15,589,713.32
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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.