Finding the Fourth Proportional to 27,759,289.60, 41,640,567.84 and 10,720,051.84
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Solution
The fourth proportional to 27,759,289.60, 41,640,567.84 and 10,720,051.84 is: 16,080,708.56
Step by Step Solution
- Step 1: Write the proportion equation
27,759,289.60 : 41,640,567.84 = 10,720,051.84 : x - Step 2: Convert to fraction form
27,759,289.60/41,640,567.84 = 10,720,051.84/x - Step 3: Cross multiply
27,759,289.60x = 41,640,567.84 × 10,720,051.84 - Step 4: Simplify right side
27,759,289.60x = 446,389,045,891,836.88 - Step 5: Solve for x
x = 446,389,045,891,836.88/27,759,289.60 - Step 6: Final answer
x = 16,080,708.56
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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.