Finding the Fourth Proportional to 8,709,544.64, 12,019,218.30 and 4,789,553.49
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Solution
The fourth proportional to 8,709,544.64, 12,019,218.30 and 4,789,553.49 is: 6,609,609.49
Step by Step Solution
- Step 1: Write the proportion equation
8,709,544.64 : 12,019,218.30 = 4,789,553.49 : x - Step 2: Convert to fraction form
8,709,544.64/12,019,218.30 = 4,789,553.49/x - Step 3: Cross multiply
8,709,544.64x = 12,019,218.30 × 4,789,553.49 - Step 4: Simplify right side
8,709,544.64x = 57,566,688,955,836.88 - Step 5: Solve for x
x = 57,566,688,955,836.88/8,709,544.64 - Step 6: Final answer
x = 6,609,609.49
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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.