Finding the Fourth Proportional to 10,135,344.81, 15,204,973.20 and 3,310,083.12
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Solution
The fourth proportional to 10,135,344.81, 15,204,973.20 and 3,310,083.12 is: 4,965,763.48
Step by Step Solution
- Step 1: Write the proportion equation
10,135,344.81 : 15,204,973.20 = 3,310,083.12 : x - Step 2: Convert to fraction form
10,135,344.81/15,204,973.20 = 3,310,083.12/x - Step 3: Cross multiply
10,135,344.81x = 15,204,973.20 × 3,310,083.12 - Step 4: Simplify right side
10,135,344.81x = 50,329,725,129,372.38 - Step 5: Solve for x
x = 50,329,725,129,372.38/10,135,344.81 - Step 6: Final answer
x = 4,965,763.48
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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.