Finding the Fourth Proportional to 7,766,339.13, 10,717,086.92 and 4,457,869.02
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Solution
The fourth proportional to 7,766,339.13, 10,717,086.92 and 4,457,869.02 is: 6,151,594.59
Step by Step Solution
- Step 1: Write the proportion equation
7,766,339.13 : 10,717,086.92 = 4,457,869.02 : x - Step 2: Convert to fraction form
7,766,339.13/10,717,086.92 = 4,457,869.02/x - Step 3: Cross multiply
7,766,339.13x = 10,717,086.92 × 4,457,869.02 - Step 4: Simplify right side
7,766,339.13x = 47,775,369,743,025.87 - Step 5: Solve for x
x = 47,775,369,743,025.87/7,766,339.13 - Step 6: Final answer
x = 6,151,594.59
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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.