Finding the Fourth Proportional to 11,465,558.63, 15,822,907.49 and 6,571,725.12
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Solution
The fourth proportional to 11,465,558.63, 15,822,907.49 and 6,571,725.12 is: 9,069,230.90
Step by Step Solution
- Step 1: Write the proportion equation
11,465,558.63 : 15,822,907.49 = 6,571,725.12 : x - Step 2: Convert to fraction form
11,465,558.63/15,822,907.49 = 6,571,725.12/x - Step 3: Cross multiply
11,465,558.63x = 15,822,907.49 × 6,571,725.12 - Step 4: Simplify right side
11,465,558.63x = 103,983,798,590,610.52 - Step 5: Solve for x
x = 103,983,798,590,610.52/11,465,558.63 - Step 6: Final answer
x = 9,069,230.90
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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.