Finding the Fourth Proportional to 21,335,149.97, 29,442,506.06 and 11,545,594.49
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Solution
The fourth proportional to 21,335,149.97, 29,442,506.06 and 11,545,594.49 is: 15,932,919.92
Step by Step Solution
- Step 1: Write the proportion equation
21,335,149.97 : 29,442,506.06 = 11,545,594.49 : x - Step 2: Convert to fraction form
21,335,149.97/29,442,506.06 = 11,545,594.49/x - Step 3: Cross multiply
21,335,149.97x = 29,442,506.06 × 11,545,594.49 - Step 4: Simplify right side
21,335,149.97x = 339,931,235,840,597.88 - Step 5: Solve for x
x = 339,931,235,840,597.88/21,335,149.97 - Step 6: Final answer
x = 15,932,919.92
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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.