Finding the Fourth Proportional to 7,627,267.20, 11,431,569.60 and 3,362,908.80
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Solution
The fourth proportional to 7,627,267.20, 11,431,569.60 and 3,362,908.80 is: 5,040,249.02
Step by Step Solution
- Step 1: Write the proportion equation
7,627,267.20 : 11,431,569.60 = 3,362,908.80 : x - Step 2: Convert to fraction form
7,627,267.20/11,431,569.60 = 3,362,908.80/x - Step 3: Cross multiply
7,627,267.20x = 11,431,569.60 × 3,362,908.80 - Step 4: Simplify right side
7,627,267.20x = 38,443,326,005,652.48 - Step 5: Solve for x
x = 38,443,326,005,652.48/7,627,267.20 - Step 6: Final answer
x = 5,040,249.02
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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.