Finding the Fourth Proportional to 11,471,395.13, 15,800,369.18 and 8,817,166.88
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Solution
The fourth proportional to 11,471,395.13, 15,800,369.18 and 8,817,166.88 is: 12,144,511.65
Step by Step Solution
- Step 1: Write the proportion equation
11,471,395.13 : 15,800,369.18 = 8,817,166.88 : x - Step 2: Convert to fraction form
11,471,395.13/15,800,369.18 = 8,817,166.88/x - Step 3: Cross multiply
11,471,395.13x = 15,800,369.18 × 8,817,166.88 - Step 4: Simplify right side
11,471,395.13x = 139,314,491,702,581.08 - Step 5: Solve for x
x = 139,314,491,702,581.08/11,471,395.13 - Step 6: Final answer
x = 12,144,511.65
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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.