Finding the Fourth Proportional to 10,396,709.28, 15,598,605.12 and 5,604,859.20
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Solution
The fourth proportional to 10,396,709.28, 15,598,605.12 and 5,604,859.20 is: 8,409,197.86
Step by Step Solution
- Step 1: Write the proportion equation
10,396,709.28 : 15,598,605.12 = 5,604,859.20 : x - Step 2: Convert to fraction form
10,396,709.28/15,598,605.12 = 5,604,859.20/x - Step 3: Cross multiply
10,396,709.28x = 15,598,605.12 × 5,604,859.20 - Step 4: Simplify right side
10,396,709.28x = 87,427,985,413,999.11 - Step 5: Solve for x
x = 87,427,985,413,999.11/10,396,709.28 - Step 6: Final answer
x = 8,409,197.86
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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.