Finding the Fourth Proportional to 11,129,457.15, 15,358,639.21 and 6,234,713.69
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Solution
The fourth proportional to 11,129,457.15, 15,358,639.21 and 6,234,713.69 is: 8,603,898.37
Step by Step Solution
- Step 1: Write the proportion equation
11,129,457.15 : 15,358,639.21 = 6,234,713.69 : x - Step 2: Convert to fraction form
11,129,457.15/15,358,639.21 = 6,234,713.69/x - Step 3: Cross multiply
11,129,457.15x = 15,358,639.21 × 6,234,713.69 - Step 4: Simplify right side
11,129,457.15x = 95,756,718,206,893.81 - Step 5: Solve for x
x = 95,756,718,206,893.81/11,129,457.15 - Step 6: Final answer
x = 8,603,898.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.