Finding the Fourth Proportional to 11,821,693.58, 16,313,566.97 and 6,930,173.52
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Solution
The fourth proportional to 11,821,693.58, 16,313,566.97 and 6,930,173.52 is: 9,563,422.46
Step by Step Solution
- Step 1: Write the proportion equation
11,821,693.58 : 16,313,566.97 = 6,930,173.52 : x - Step 2: Convert to fraction form
11,821,693.58/16,313,566.97 = 6,930,173.52/x - Step 3: Cross multiply
11,821,693.58x = 16,313,566.97 × 6,930,173.52 - Step 4: Simplify right side
11,821,693.58x = 113,055,849,849,566.06 - Step 5: Solve for x
x = 113,055,849,849,566.06/11,821,693.58 - Step 6: Final answer
x = 9,563,422.46
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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.