Finding the Fourth Proportional to 11,085,742.84, 15,298,163.64 and 6,190,913.20
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Solution
The fourth proportional to 11,085,742.84, 15,298,163.64 and 6,190,913.20 is: 8,543,370.04
Step by Step Solution
- Step 1: Write the proportion equation
11,085,742.84 : 15,298,163.64 = 6,190,913.20 : x - Step 2: Convert to fraction form
11,085,742.84/15,298,163.64 = 6,190,913.20/x - Step 3: Cross multiply
11,085,742.84x = 15,298,163.64 × 6,190,913.20 - Step 4: Simplify right side
11,085,742.84x = 94,709,603,214,636.05 - Step 5: Solve for x
x = 94,709,603,214,636.05/11,085,742.84 - Step 6: Final answer
x = 8,543,370.04
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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.