Finding the Fourth Proportional to 21,337,920.15, 32,006,881.59 and 5,163,872.94
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Solution
The fourth proportional to 21,337,920.15, 32,006,881.59 and 5,163,872.94 is: 7,745,809.74
Step by Step Solution
- Step 1: Write the proportion equation
21,337,920.15 : 32,006,881.59 = 5,163,872.94 : x - Step 2: Convert to fraction form
21,337,920.15/32,006,881.59 = 5,163,872.94/x - Step 3: Cross multiply
21,337,920.15x = 32,006,881.59 × 5,163,872.94 - Step 4: Simplify right side
21,337,920.15x = 165,279,469,736,385.19 - Step 5: Solve for x
x = 165,279,469,736,385.19/21,337,920.15 - Step 6: Final answer
x = 7,745,809.74
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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.