Finding the Fourth Proportional to 35,415,021.65, 48,876,366.56 and 21,290,780.71
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Solution
The fourth proportional to 35,415,021.65, 48,876,366.56 and 21,290,780.71 is: 29,383,463.68
Step by Step Solution
- Step 1: Write the proportion equation
35,415,021.65 : 48,876,366.56 = 21,290,780.71 : x - Step 2: Convert to fraction form
35,415,021.65/48,876,366.56 = 21,290,780.71/x - Step 3: Cross multiply
35,415,021.65x = 48,876,366.56 × 21,290,780.71 - Step 4: Simplify right side
35,415,021.65x = 1,040,616,002,330,537.12 - Step 5: Solve for x
x = 1,040,616,002,330,537.12/35,415,021.65 - Step 6: Final answer
x = 29,383,463.68
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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.