Finding the Fourth Proportional to 27,306,566.96, 37,682,947.51 and 15,083,423.96
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Solution
The fourth proportional to 27,306,566.96, 37,682,947.51 and 15,083,423.96 is: 20,815,061.60
Step by Step Solution
- Step 1: Write the proportion equation
27,306,566.96 : 37,682,947.51 = 15,083,423.96 : x - Step 2: Convert to fraction form
27,306,566.96/37,682,947.51 = 15,083,423.96/x - Step 3: Cross multiply
27,306,566.96x = 37,682,947.51 × 15,083,423.96 - Step 4: Simplify right side
27,306,566.96x = 568,387,873,129,633 - Step 5: Solve for x
x = 568,387,873,129,633/27,306,566.96 - Step 6: Final answer
x = 20,815,061.60
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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.