Finding the Fourth Proportional to 8,736,201.24, 13,104,965.28 and 2,977,144.92
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Solution
The fourth proportional to 8,736,201.24, 13,104,965.28 and 2,977,144.92 is: 4,465,943.46
Step by Step Solution
- Step 1: Write the proportion equation
8,736,201.24 : 13,104,965.28 = 2,977,144.92 : x - Step 2: Convert to fraction form
8,736,201.24/13,104,965.28 = 2,977,144.92/x - Step 3: Cross multiply
8,736,201.24x = 13,104,965.28 × 2,977,144.92 - Step 4: Simplify right side
8,736,201.24x = 39,015,380,810,128.38 - Step 5: Solve for x
x = 39,015,380,810,128.38/8,736,201.24 - Step 6: Final answer
x = 4,465,943.46
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1.5x scale
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.