Finding the Fourth Proportional to 10,930,299.08, 15,085,142.64 and 6,346,620.44
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Solution
The fourth proportional to 10,930,299.08, 15,085,142.64 and 6,346,620.44 is: 8,759,108.41
Step by Step Solution
- Step 1: Write the proportion equation
10,930,299.08 : 15,085,142.64 = 6,346,620.44 : x - Step 2: Convert to fraction form
10,930,299.08/15,085,142.64 = 6,346,620.44/x - Step 3: Cross multiply
10,930,299.08x = 15,085,142.64 × 6,346,620.44 - Step 4: Simplify right side
10,930,299.08x = 95,739,674,619,339.58 - Step 5: Solve for x
x = 95,739,674,619,339.58/10,930,299.08 - Step 6: Final answer
x = 8,759,108.41
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1.5x scale
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.