Finding the Fourth Proportional to 7,362,801.05, 11,044,955.78 and 2,817,672.55
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Solution
The fourth proportional to 7,362,801.05, 11,044,955.78 and 2,817,672.55 is: 4,226,797.45
Step by Step Solution
- Step 1: Write the proportion equation
7,362,801.05 : 11,044,955.78 = 2,817,672.55 : x - Step 2: Convert to fraction form
7,362,801.05/11,044,955.78 = 2,817,672.55/x - Step 3: Cross multiply
7,362,801.05x = 11,044,955.78 × 2,817,672.55 - Step 4: Simplify right side
7,362,801.05x = 31,121,068,696,701.63 - Step 5: Solve for x
x = 31,121,068,696,701.63/7,362,801.05 - Step 6: Final answer
x = 4,226,797.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.