Finding the Fourth Proportional to 15,806,634.24, 23,684,757.12 and 10,122,182.40
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Solution
The fourth proportional to 15,806,634.24, 23,684,757.12 and 10,122,182.40 is: 15,167,139.82
Step by Step Solution
- Step 1: Write the proportion equation
15,806,634.24 : 23,684,757.12 = 10,122,182.40 : x - Step 2: Convert to fraction form
15,806,634.24/23,684,757.12 = 10,122,182.40/x - Step 3: Cross multiply
15,806,634.24x = 23,684,757.12 × 10,122,182.40 - Step 4: Simplify right side
15,806,634.24x = 239,741,431,668,338.72 - Step 5: Solve for x
x = 239,741,431,668,338.72/15,806,634.24 - Step 6: Final answer
x = 15,167,139.82
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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.