Finding the Fourth Proportional to 8,243,079.11, 11,376,810.81 and 4,573,177.99
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Solution
The fourth proportional to 8,243,079.11, 11,376,810.81 and 4,573,177.99 is: 6,311,741.05
Step by Step Solution
- Step 1: Write the proportion equation
8,243,079.11 : 11,376,810.81 = 4,573,177.99 : x - Step 2: Convert to fraction form
8,243,079.11/11,376,810.81 = 4,573,177.99/x - Step 3: Cross multiply
8,243,079.11x = 11,376,810.81 × 4,573,177.99 - Step 4: Simplify right side
8,243,079.11x = 52,028,180,792,686.08 - Step 5: Solve for x
x = 52,028,180,792,686.08/8,243,079.11 - Step 6: Final answer
x = 6,311,741.05
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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.