Finding the Fourth Proportional to 9,811,317.84, 13,539,618.72 and 5,461,431.81
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Solution
The fourth proportional to 9,811,317.84, 13,539,618.72 and 5,461,431.81 is: 7,536,775.95
Step by Step Solution
- Step 1: Write the proportion equation
9,811,317.84 : 13,539,618.72 = 5,461,431.81 : x - Step 2: Convert to fraction form
9,811,317.84/13,539,618.72 = 5,461,431.81/x - Step 3: Cross multiply
9,811,317.84x = 13,539,618.72 × 5,461,431.81 - Step 4: Simplify right side
9,811,317.84x = 73,945,704,372,679.48 - Step 5: Solve for x
x = 73,945,704,372,679.48/9,811,317.84 - Step 6: Final answer
x = 7,536,775.95
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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.