Finding the Fourth Proportional to 7,903,425.84, 10,905,893.08 and 4,465,002.84
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Solution
The fourth proportional to 7,903,425.84, 10,905,893.08 and 4,465,002.84 is: 6,161,232.43
Step by Step Solution
- Step 1: Write the proportion equation
7,903,425.84 : 10,905,893.08 = 4,465,002.84 : x - Step 2: Convert to fraction form
7,903,425.84/10,905,893.08 = 4,465,002.84/x - Step 3: Cross multiply
7,903,425.84x = 10,905,893.08 × 4,465,002.84 - Step 4: Simplify right side
7,903,425.84x = 48,694,843,574,936.34 - Step 5: Solve for x
x = 48,694,843,574,936.34/7,903,425.84 - Step 6: Final answer
x = 6,161,232.43
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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.