Finding the Fourth Proportional to 10,449,774.97, 15,650,798.02 and 4,988,711.23
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Solution
The fourth proportional to 10,449,774.97, 15,650,798.02 and 4,988,711.23 is: 7,471,673.99
Step by Step Solution
- Step 1: Write the proportion equation
10,449,774.97 : 15,650,798.02 = 4,988,711.23 : x - Step 2: Convert to fraction form
10,449,774.97/15,650,798.02 = 4,988,711.23/x - Step 3: Cross multiply
10,449,774.97x = 15,650,798.02 × 4,988,711.23 - Step 4: Simplify right side
10,449,774.97x = 78,077,311,840,835.77 - Step 5: Solve for x
x = 78,077,311,840,835.77/10,449,774.97 - Step 6: Final answer
x = 7,471,673.99
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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.