Finding the Fourth Proportional to 21,600,885.84, 32,418,352.54 and 9,478,716.62
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Solution
The fourth proportional to 21,600,885.84, 32,418,352.54 and 9,478,716.62 is: 14,225,545.16
Step by Step Solution
- Step 1: Write the proportion equation
21,600,885.84 : 32,418,352.54 = 9,478,716.62 : x - Step 2: Convert to fraction form
21,600,885.84/32,418,352.54 = 9,478,716.62/x - Step 3: Cross multiply
21,600,885.84x = 32,418,352.54 × 9,478,716.62 - Step 4: Simplify right side
21,600,885.84x = 307,284,377,013,917.19 - Step 5: Solve for x
x = 307,284,377,013,917.19/21,600,885.84 - Step 6: Final answer
x = 14,225,545.16
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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.