Finding the Fourth Proportional to 43,567,936.68, 65,307,064.77 and 19,318,283.94
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Solution
The fourth proportional to 43,567,936.68, 65,307,064.77 and 19,318,283.94 is: 28,957,543.47
Step by Step Solution
- Step 1: Write the proportion equation
43,567,936.68 : 65,307,064.77 = 19,318,283.94 : x - Step 2: Convert to fraction form
43,567,936.68/65,307,064.77 = 19,318,283.94/x - Step 3: Cross multiply
43,567,936.68x = 65,307,064.77 × 19,318,283.94 - Step 4: Simplify right side
43,567,936.68x = 1,261,620,420,514,831 - Step 5: Solve for x
x = 1,261,620,420,514,831/43,567,936.68 - Step 6: Final answer
x = 28,957,543.47
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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.