Finding the Fourth Proportional to 8,544,428.58, 11,791,325.74 and 4,624,188.20
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Solution
The fourth proportional to 8,544,428.58, 11,791,325.74 and 4,624,188.20 is: 6,381,387.45
Step by Step Solution
- Step 1: Write the proportion equation
8,544,428.58 : 11,791,325.74 = 4,624,188.20 : x - Step 2: Convert to fraction form
8,544,428.58/11,791,325.74 = 4,624,188.20/x - Step 3: Cross multiply
8,544,428.58x = 11,791,325.74 × 4,624,188.20 - Step 4: Simplify right side
8,544,428.58x = 54,525,309,278,747.17 - Step 5: Solve for x
x = 54,525,309,278,747.17/8,544,428.58 - Step 6: Final answer
x = 6,381,387.45
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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.