Finding the Fourth Proportional to 35,175,953.05, 48,542,819.82 and 19,495,989.85
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Solution
The fourth proportional to 35,175,953.05, 48,542,819.82 and 19,495,989.85 is: 26,904,468.55
Step by Step Solution
- Step 1: Write the proportion equation
35,175,953.05 : 48,542,819.82 = 19,495,989.85 : x - Step 2: Convert to fraction form
35,175,953.05/48,542,819.82 = 19,495,989.85/x - Step 3: Cross multiply
35,175,953.05x = 48,542,819.82 × 19,495,989.85 - Step 4: Simplify right side
35,175,953.05x = 946,390,322,403,618.88 - Step 5: Solve for x
x = 946,390,322,403,618.88/35,175,953.05 - Step 6: Final answer
x = 26,904,468.55
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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.