Finding the Fourth Proportional to 30,887,418.75, 46,343,977.97 and 13,606,775.07
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Solution
The fourth proportional to 30,887,418.75, 46,343,977.97 and 13,606,775.07 is: 20,415,823.32
Step by Step Solution
- Step 1: Write the proportion equation
30,887,418.75 : 46,343,977.97 = 13,606,775.07 : x - Step 2: Convert to fraction form
30,887,418.75/46,343,977.97 = 13,606,775.07/x - Step 3: Cross multiply
30,887,418.75x = 46,343,977.97 × 13,606,775.07 - Step 4: Simplify right side
30,887,418.75x = 630,592,084,018,791.38 - Step 5: Solve for x
x = 630,592,084,018,791.38/30,887,418.75 - Step 6: Final answer
x = 20,415,823.32
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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.