Finding the Fourth Proportional to 10,800,920.70, 16,201,397.45 and 4,411,173.06
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Solution
The fourth proportional to 10,800,920.70, 16,201,397.45 and 4,411,173.06 is: 6,616,766.29
Step by Step Solution
- Step 1: Write the proportion equation
10,800,920.70 : 16,201,397.45 = 4,411,173.06 : x - Step 2: Convert to fraction form
10,800,920.70/16,201,397.45 = 4,411,173.06/x - Step 3: Cross multiply
10,800,920.70x = 16,201,397.45 × 4,411,173.06 - Step 4: Simplify right side
10,800,920.70x = 71,467,167,976,820.62 - Step 5: Solve for x
x = 71,467,167,976,820.62/10,800,920.70 - Step 6: Final answer
x = 6,616,766.29
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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.