Finding the Fourth Proportional to 16,092,958.96, 22,216,511.16 and 12,413,615.68
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Solution
The fourth proportional to 16,092,958.96, 22,216,511.16 and 12,413,615.68 is: 17,137,136.31
Step by Step Solution
- Step 1: Write the proportion equation
16,092,958.96 : 22,216,511.16 = 12,413,615.68 : x - Step 2: Convert to fraction form
16,092,958.96/22,216,511.16 = 12,413,615.68/x - Step 3: Cross multiply
16,092,958.96x = 22,216,511.16 × 12,413,615.68 - Step 4: Simplify right side
16,092,958.96x = 275,787,231,290,670.97 - Step 5: Solve for x
x = 275,787,231,290,670.97/16,092,958.96 - Step 6: Final answer
x = 17,137,136.31
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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.