Finding the Fourth Proportional to 36,161,460.84, 49,903,220.36 and 21,280,074.87
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Solution
The fourth proportional to 36,161,460.84, 49,903,220.36 and 21,280,074.87 is: 29,366,741.30
Step by Step Solution
- Step 1: Write the proportion equation
36,161,460.84 : 49,903,220.36 = 21,280,074.87 : x - Step 2: Convert to fraction form
36,161,460.84/49,903,220.36 = 21,280,074.87/x - Step 3: Cross multiply
36,161,460.84x = 49,903,220.36 × 21,280,074.87 - Step 4: Simplify right side
36,161,460.84x = 1,061,944,265,514,908.38 - Step 5: Solve for x
x = 1,061,944,265,514,908.38/36,161,460.84 - Step 6: Final answer
x = 29,366,741.30
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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.