Finding the Fourth Proportional to 14,987,777.97, 20,683,195.87 and 8,112,260.03
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Solution
The fourth proportional to 14,987,777.97, 20,683,195.87 and 8,112,260.03 is: 11,194,952.55
Step by Step Solution
- Step 1: Write the proportion equation
14,987,777.97 : 20,683,195.87 = 8,112,260.03 : x - Step 2: Convert to fraction form
14,987,777.97/20,683,195.87 = 8,112,260.03/x - Step 3: Cross multiply
14,987,777.97x = 20,683,195.87 × 8,112,260.03 - Step 4: Simplify right side
14,987,777.97x = 167,787,463,185,098 - Step 5: Solve for x
x = 167,787,463,185,098/14,987,777.97 - Step 6: Final answer
x = 11,194,952.55
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1.5x scale
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.