Finding the Fourth Proportional to 38,451,308.26, 53,062,822.02 and 21,047,752.75
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Solution
The fourth proportional to 38,451,308.26, 53,062,822.02 and 21,047,752.75 is: 29,045,907.89
Step by Step Solution
- Step 1: Write the proportion equation
38,451,308.26 : 53,062,822.02 = 21,047,752.75 : x - Step 2: Convert to fraction form
38,451,308.26/53,062,822.02 = 21,047,752.75/x - Step 3: Cross multiply
38,451,308.26x = 53,062,822.02 × 21,047,752.75 - Step 4: Simplify right side
38,451,308.26x = 1,116,853,158,094,215.62 - Step 5: Solve for x
x = 1,116,853,158,094,215.62/38,451,308.26 - Step 6: Final answer
x = 29,045,907.89
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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.