Finding the Fourth Proportional to 21,601,815.48, 32,402,756.09 and 8,822,320.18
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Solution
The fourth proportional to 21,601,815.48, 32,402,756.09 and 8,822,320.18 is: 13,233,493.70
Step by Step Solution
- Step 1: Write the proportion equation
21,601,815.48 : 32,402,756.09 = 8,822,320.18 : x - Step 2: Convert to fraction form
21,601,815.48/32,402,756.09 = 8,822,320.18/x - Step 3: Cross multiply
21,601,815.48x = 32,402,756.09 × 8,822,320.18 - Step 4: Simplify right side
21,601,815.48x = 285,867,488,925,687.12 - Step 5: Solve for x
x = 285,867,488,925,687.12/21,601,815.48 - Step 6: Final answer
x = 13,233,493.70
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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.