Finding the Fourth Proportional to 29,198,732.14, 40,280,857.23 and 18,888,779.98
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Solution
The fourth proportional to 29,198,732.14, 40,280,857.23 and 18,888,779.98 is: 26,057,852.31
Step by Step Solution
- Step 1: Write the proportion equation
29,198,732.14 : 40,280,857.23 = 18,888,779.98 : x - Step 2: Convert to fraction form
29,198,732.14/40,280,857.23 = 18,888,779.98/x - Step 3: Cross multiply
29,198,732.14x = 40,280,857.23 × 18,888,779.98 - Step 4: Simplify right side
29,198,732.14x = 760,856,249,623,262.25 - Step 5: Solve for x
x = 760,856,249,623,262.25/29,198,732.14 - Step 6: Final answer
x = 26,057,852.31
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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.