Finding the Fourth Proportional to 10,235,238.05, 15,358,170.54 and 4,174,416.29
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Solution
The fourth proportional to 10,235,238.05, 15,358,170.54 and 4,174,416.29 is: 6,263,791.52
Step by Step Solution
- Step 1: Write the proportion equation
10,235,238.05 : 15,358,170.54 = 4,174,416.29 : x - Step 2: Convert to fraction form
10,235,238.05/15,358,170.54 = 4,174,416.29/x - Step 3: Cross multiply
10,235,238.05x = 15,358,170.54 × 4,174,416.29 - Step 4: Simplify right side
10,235,238.05x = 64,111,397,286,774.09 - Step 5: Solve for x
x = 64,111,397,286,774.09/10,235,238.05 - Step 6: Final answer
x = 6,263,791.52
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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.