Finding the Fourth Proportional to 27,966,869.12, 38,596,219.11 and 16,954,083.02
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Solution
The fourth proportional to 27,966,869.12, 38,596,219.11 and 16,954,083.02 is: 23,397,810.47
Step by Step Solution
- Step 1: Write the proportion equation
27,966,869.12 : 38,596,219.11 = 16,954,083.02 : x - Step 2: Convert to fraction form
27,966,869.12/38,596,219.11 = 16,954,083.02/x - Step 3: Cross multiply
27,966,869.12x = 38,596,219.11 × 16,954,083.02 - Step 4: Simplify right side
27,966,869.12x = 654,363,502,856,069.38 - Step 5: Solve for x
x = 654,363,502,856,069.38/27,966,869.12 - Step 6: Final answer
x = 23,397,810.47
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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.