Finding the Fourth Proportional to 13,326,649.98, 19,991,194.91 and 3,741,963.92
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Solution
The fourth proportional to 13,326,649.98, 19,991,194.91 and 3,741,963.92 is: 5,613,288.42
Step by Step Solution
- Step 1: Write the proportion equation
13,326,649.98 : 19,991,194.91 = 3,741,963.92 : x - Step 2: Convert to fraction form
13,326,649.98/19,991,194.91 = 3,741,963.92/x - Step 3: Cross multiply
13,326,649.98x = 19,991,194.91 × 3,741,963.92 - Step 4: Simplify right side
13,326,649.98x = 74,806,330,041,241.20 - Step 5: Solve for x
x = 74,806,330,041,241.20/13,326,649.98 - Step 6: Final answer
x = 5,613,288.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.