Finding the Fourth Proportional to 10,918,203.16, 15,067,170.42 and 6,023,423.44
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Solution
The fourth proportional to 10,918,203.16, 15,067,170.42 and 6,023,423.44 is: 8,312,351.97
Step by Step Solution
- Step 1: Write the proportion equation
10,918,203.16 : 15,067,170.42 = 6,023,423.44 : x - Step 2: Convert to fraction form
10,918,203.16/15,067,170.42 = 6,023,423.44/x - Step 3: Cross multiply
10,918,203.16x = 15,067,170.42 × 6,023,423.44 - Step 4: Simplify right side
10,918,203.16x = 90,755,947,508,189.98 - Step 5: Solve for x
x = 90,755,947,508,189.98/10,918,203.16 - Step 6: Final answer
x = 8,312,351.97
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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.