Finding the Fourth Proportional to 11,303,260.79, 15,598,028.93 and 6,408,813.68
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Solution
The fourth proportional to 11,303,260.79, 15,598,028.93 and 6,408,813.68 is: 8,843,895.85
Step by Step Solution
- Step 1: Write the proportion equation
11,303,260.79 : 15,598,028.93 = 6,408,813.68 : x - Step 2: Convert to fraction form
11,303,260.79/15,598,028.93 = 6,408,813.68/x - Step 3: Cross multiply
11,303,260.79x = 15,598,028.93 × 6,408,813.68 - Step 4: Simplify right side
11,303,260.79x = 99,964,861,187,619.75 - Step 5: Solve for x
x = 99,964,861,187,619.75/11,303,260.79 - Step 6: Final answer
x = 8,843,895.85
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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.