Finding the Fourth Proportional to 16,921,451.68, 23,351,874.66 and 9,186,487.84
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Solution
The fourth proportional to 16,921,451.68, 23,351,874.66 and 9,186,487.84 is: 12,677,500.53
Step by Step Solution
- Step 1: Write the proportion equation
16,921,451.68 : 23,351,874.66 = 9,186,487.84 : x - Step 2: Convert to fraction form
16,921,451.68/23,351,874.66 = 9,186,487.84/x - Step 3: Cross multiply
16,921,451.68x = 23,351,874.66 × 9,186,487.84 - Step 4: Simplify right side
16,921,451.68x = 214,521,712,605,294.12 - Step 5: Solve for x
x = 214,521,712,605,294.12/16,921,451.68 - Step 6: Final answer
x = 12,677,500.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.