Finding the Fourth Proportional to 11,460,525.40, 15,804,712.77 and 7,533,344.08
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Solution
The fourth proportional to 11,460,525.40, 15,804,712.77 and 7,533,344.08 is: 10,388,907.60
Step by Step Solution
- Step 1: Write the proportion equation
11,460,525.40 : 15,804,712.77 = 7,533,344.08 : x - Step 2: Convert to fraction form
11,460,525.40/15,804,712.77 = 7,533,344.08/x - Step 3: Cross multiply
11,460,525.40x = 15,804,712.77 × 7,533,344.08 - Step 4: Simplify right side
11,460,525.40x = 119,062,339,381,979.91 - Step 5: Solve for x
x = 119,062,339,381,979.91/11,460,525.40 - Step 6: Final answer
x = 10,388,907.60
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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.