Finding the Fourth Proportional to 7,984,278.09, 11,018,292.78 and 4,546,519.02
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Solution
The fourth proportional to 7,984,278.09, 11,018,292.78 and 4,546,519.02 is: 6,274,189.99
Step by Step Solution
- Step 1: Write the proportion equation
7,984,278.09 : 11,018,292.78 = 4,546,519.02 : x - Step 2: Convert to fraction form
7,984,278.09/11,018,292.78 = 4,546,519.02/x - Step 3: Cross multiply
7,984,278.09x = 11,018,292.78 × 4,546,519.02 - Step 4: Simplify right side
7,984,278.09x = 50,094,877,692,198.66 - Step 5: Solve for x
x = 50,094,877,692,198.66/7,984,278.09 - Step 6: Final answer
x = 6,274,189.99
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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.