Finding the Fourth Proportional to 16,387,920.80, 24,581,881.20 and 11,286,087.20
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Solution
The fourth proportional to 16,387,920.80, 24,581,881.20 and 11,286,087.20 is: 16,929,130.80
Step by Step Solution
- Step 1: Write the proportion equation
16,387,920.80 : 24,581,881.20 = 11,286,087.20 : x - Step 2: Convert to fraction form
16,387,920.80/24,581,881.20 = 11,286,087.20/x - Step 3: Cross multiply
16,387,920.80x = 24,581,881.20 × 11,286,087.20 - Step 4: Simplify right side
16,387,920.80x = 277,433,254,763,240.62 - Step 5: Solve for x
x = 277,433,254,763,240.62/16,387,920.80 - Step 6: Final answer
x = 16,929,130.80
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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.