Finding the Fourth Proportional to 10,193,381.29, 15,295,402.75 and 4,128,753.75
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Solution
The fourth proportional to 10,193,381.29, 15,295,402.75 and 4,128,753.75 is: 6,195,289.82
Step by Step Solution
- Step 1: Write the proportion equation
10,193,381.29 : 15,295,402.75 = 4,128,753.75 : x - Step 2: Convert to fraction form
10,193,381.29/15,295,402.75 = 4,128,753.75/x - Step 3: Cross multiply
10,193,381.29x = 15,295,402.75 × 4,128,753.75 - Step 4: Simplify right side
10,193,381.29x = 63,150,951,364,702.03 - Step 5: Solve for x
x = 63,150,951,364,702.03/10,193,381.29 - Step 6: Final answer
x = 6,195,289.82
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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.