Finding the Fourth Proportional to 8,034,422.16, 11,090,895.44 and 5,424,461.81
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Solution
The fourth proportional to 8,034,422.16, 11,090,895.44 and 5,424,461.81 is: 7,488,047.99
Step by Step Solution
- Step 1: Write the proportion equation
8,034,422.16 : 11,090,895.44 = 5,424,461.81 : x - Step 2: Convert to fraction form
8,034,422.16/11,090,895.44 = 5,424,461.81/x - Step 3: Cross multiply
8,034,422.16x = 11,090,895.44 × 5,424,461.81 - Step 4: Simplify right side
8,034,422.16x = 60,162,138,670,406.36 - Step 5: Solve for x
x = 60,162,138,670,406.36/8,034,422.16 - Step 6: Final answer
x = 7,488,047.99
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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.