Finding the Fourth Proportional to 7,283,616.39, 10,051,391.12 and 4,020,432.03
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Solution
The fourth proportional to 7,283,616.39, 10,051,391.12 and 4,020,432.03 is: 5,548,196.48
Step by Step Solution
- Step 1: Write the proportion equation
7,283,616.39 : 10,051,391.12 = 4,020,432.03 : x - Step 2: Convert to fraction form
7,283,616.39/10,051,391.12 = 4,020,432.03/x - Step 3: Cross multiply
7,283,616.39x = 10,051,391.12 × 4,020,432.03 - Step 4: Simplify right side
7,283,616.39x = 40,410,934,784,803.41 - Step 5: Solve for x
x = 40,410,934,784,803.41/7,283,616.39 - Step 6: Final answer
x = 5,548,196.48
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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.