Finding the Fourth Proportional to 36,454,941.80, 54,703,407.90 and 13,752,132.20
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Solution
The fourth proportional to 36,454,941.80, 54,703,407.90 and 13,752,132.20 is: 20,636,118.45
Step by Step Solution
- Step 1: Write the proportion equation
36,454,941.80 : 54,703,407.90 = 13,752,132.20 : x - Step 2: Convert to fraction form
36,454,941.80/54,703,407.90 = 13,752,132.20/x - Step 3: Cross multiply
36,454,941.80x = 54,703,407.90 × 13,752,132.20 - Step 4: Simplify right side
36,454,941.80x = 752,288,497,231,324.38 - Step 5: Solve for x
x = 752,288,497,231,324.38/36,454,941.80 - Step 6: Final answer
x = 20,636,118.45
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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.