Finding the Fourth Proportional to 11,463,431.11, 15,819,534.39 and 6,306,681.94
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Solution
The fourth proportional to 11,463,431.11, 15,819,534.39 and 6,306,681.94 is: 8,703,220.78
Step by Step Solution
- Step 1: Write the proportion equation
11,463,431.11 : 15,819,534.39 = 6,306,681.94 : x - Step 2: Convert to fraction form
11,463,431.11/15,819,534.39 = 6,306,681.94/x - Step 3: Cross multiply
11,463,431.11x = 15,819,534.39 × 6,306,681.94 - Step 4: Simplify right side
11,463,431.11x = 99,768,771,820,723.14 - Step 5: Solve for x
x = 99,768,771,820,723.14/11,463,431.11 - Step 6: Final answer
x = 8,703,220.78
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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.