Finding the Fourth Proportional to 10,894,799.22, 16,320,938.73 and 8,487,371.49
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Solution
The fourth proportional to 10,894,799.22, 16,320,938.73 and 8,487,371.49 is: 12,714,494.99
Step by Step Solution
- Step 1: Write the proportion equation
10,894,799.22 : 16,320,938.73 = 8,487,371.49 : x - Step 2: Convert to fraction form
10,894,799.22/16,320,938.73 = 8,487,371.49/x - Step 3: Cross multiply
10,894,799.22x = 16,320,938.73 × 8,487,371.49 - Step 4: Simplify right side
10,894,799.22x = 138,521,869,985,434.11 - Step 5: Solve for x
x = 138,521,869,985,434.11/10,894,799.22 - Step 6: Final answer
x = 12,714,494.99
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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.