Finding the Fourth Proportional to 10,353,438.70, 15,512,443.35 and 6,562,492.90
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Solution
The fourth proportional to 10,353,438.70, 15,512,443.35 and 6,562,492.90 is: 9,832,510.95
Step by Step Solution
- Step 1: Write the proportion equation
10,353,438.70 : 15,512,443.35 = 6,562,492.90 : x - Step 2: Convert to fraction form
10,353,438.70/15,512,443.35 = 6,562,492.90/x - Step 3: Cross multiply
10,353,438.70x = 15,512,443.35 × 6,562,492.90 - Step 4: Simplify right side
10,353,438.70x = 101,800,299,346,027.22 - Step 5: Solve for x
x = 101,800,299,346,027.22/10,353,438.70 - Step 6: Final answer
x = 9,832,510.95
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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.