Finding the Fourth Proportional to 9,303,043.68, 12,836,309.58 and 5,434,817.49
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Solution
The fourth proportional to 9,303,043.68, 12,836,309.58 and 5,434,817.49 is: 7,498,943.59
Step by Step Solution
- Step 1: Write the proportion equation
9,303,043.68 : 12,836,309.58 = 5,434,817.49 : x - Step 2: Convert to fraction form
9,303,043.68/12,836,309.58 = 5,434,817.49/x - Step 3: Cross multiply
9,303,043.68x = 12,836,309.58 × 5,434,817.49 - Step 4: Simplify right side
9,303,043.68x = 69,762,999,812,438.55 - Step 5: Solve for x
x = 69,762,999,812,438.55/9,303,043.68 - Step 6: Final answer
x = 7,498,943.59
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1.5x scale
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.