Finding the Fourth Proportional to 33,102,919.49, 45,679,194.50 and 18,418,614.17
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Solution
The fourth proportional to 33,102,919.49, 45,679,194.50 and 18,418,614.17 is: 25,416,110.48
Step by Step Solution
- Step 1: Write the proportion equation
33,102,919.49 : 45,679,194.50 = 18,418,614.17 : x - Step 2: Convert to fraction form
33,102,919.49/45,679,194.50 = 18,418,614.17/x - Step 3: Cross multiply
33,102,919.49x = 45,679,194.50 × 18,418,614.17 - Step 4: Simplify right side
33,102,919.49x = 841,347,458,771,396.88 - Step 5: Solve for x
x = 841,347,458,771,396.88/33,102,919.49 - Step 6: Final answer
x = 25,416,110.48
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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.