Finding the Fourth Proportional to 52,049,964.36, 71,829,137.82 and 28,845,486.12
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Solution
The fourth proportional to 52,049,964.36, 71,829,137.82 and 28,845,486.12 is: 39,806,874.48
Step by Step Solution
- Step 1: Write the proportion equation
52,049,964.36 : 71,829,137.82 = 28,845,486.12 : x - Step 2: Convert to fraction form
52,049,964.36/71,829,137.82 = 28,845,486.12/x - Step 3: Cross multiply
52,049,964.36x = 71,829,137.82 × 28,845,486.12 - Step 4: Simplify right side
52,049,964.36x = 2,071,946,397,998,377 - Step 5: Solve for x
x = 2,071,946,397,998,377/52,049,964.36 - Step 6: Final answer
x = 39,806,874.48
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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.