Finding the Fourth Proportional to 10,002,648.36, 15,003,972.72 and 2,429,563.08
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Solution
The fourth proportional to 10,002,648.36, 15,003,972.72 and 2,429,563.08 is: 3,644,344.66
Step by Step Solution
- Step 1: Write the proportion equation
10,002,648.36 : 15,003,972.72 = 2,429,563.08 : x - Step 2: Convert to fraction form
10,002,648.36/15,003,972.72 = 2,429,563.08/x - Step 3: Cross multiply
10,002,648.36x = 15,003,972.72 × 2,429,563.08 - Step 4: Simplify right side
10,002,648.36x = 36,453,098,173,839.18 - Step 5: Solve for x
x = 36,453,098,173,839.18/10,002,648.36 - Step 6: Final answer
x = 3,644,344.66
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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.