Finding the Fourth Proportional to 21,411,006.07, 29,547,217.97 and 11,621,452.18
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Solution
The fourth proportional to 21,411,006.07, 29,547,217.97 and 11,621,452.18 is: 16,037,620.07
Step by Step Solution
- Step 1: Write the proportion equation
21,411,006.07 : 29,547,217.97 = 11,621,452.18 : x - Step 2: Convert to fraction form
21,411,006.07/29,547,217.97 = 11,621,452.18/x - Step 3: Cross multiply
21,411,006.07x = 29,547,217.97 × 11,621,452.18 - Step 4: Simplify right side
21,411,006.07x = 343,381,580,690,391.62 - Step 5: Solve for x
x = 343,381,580,690,391.62/21,411,006.07 - Step 6: Final answer
x = 16,037,620.07
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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.