Finding the Fourth Proportional to 17,720,236.84, 26,584,839.30 and 4,940,741.55
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Solution
The fourth proportional to 17,720,236.84, 26,584,839.30 and 4,940,741.55 is: 7,412,362.56
Step by Step Solution
- Step 1: Write the proportion equation
17,720,236.84 : 26,584,839.30 = 4,940,741.55 : x - Step 2: Convert to fraction form
17,720,236.84/26,584,839.30 = 4,940,741.55/x - Step 3: Cross multiply
17,720,236.84x = 26,584,839.30 × 4,940,741.55 - Step 4: Simplify right side
17,720,236.84x = 131,348,820,129,582.91 - Step 5: Solve for x
x = 131,348,820,129,582.91/17,720,236.84 - Step 6: Final answer
x = 7,412,362.56
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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.