Finding the Fourth Proportional to 10,418,221.08, 15,627,922.14 and 3,230,776.80
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Solution
The fourth proportional to 10,418,221.08, 15,627,922.14 and 3,230,776.80 is: 4,846,348.33
Step by Step Solution
- Step 1: Write the proportion equation
10,418,221.08 : 15,627,922.14 = 3,230,776.80 : x - Step 2: Convert to fraction form
10,418,221.08/15,627,922.14 = 3,230,776.80/x - Step 3: Cross multiply
10,418,221.08x = 15,627,922.14 × 3,230,776.80 - Step 4: Simplify right side
10,418,221.08x = 50,490,328,282,118.35 - Step 5: Solve for x
x = 50,490,328,282,118.35/10,418,221.08 - Step 6: Final answer
x = 4,846,348.33
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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.