Finding the Fourth Proportional to 5,655,746.16, 8,497,791.08 and 5,315,623.92
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Solution
The fourth proportional to 5,655,746.16, 8,497,791.08 and 5,315,623.92 is: 7,986,755.46
Step by Step Solution
- Step 1: Write the proportion equation
5,655,746.16 : 8,497,791.08 = 5,315,623.92 : x - Step 2: Convert to fraction form
5,655,746.16/8,497,791.08 = 5,315,623.92/x - Step 3: Cross multiply
5,655,746.16x = 8,497,791.08 × 5,315,623.92 - Step 4: Simplify right side
5,655,746.16x = 45,171,061,532,010.63 - Step 5: Solve for x
x = 45,171,061,532,010.63/5,655,746.16 - Step 6: Final answer
x = 7,986,755.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.