Finding the Fourth Proportional to 34,359,909.52, 47,416,249.97 and 18,889,858.84
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Solution
The fourth proportional to 34,359,909.52, 47,416,249.97 and 18,889,858.84 is: 26,067,771.45
Step by Step Solution
- Step 1: Write the proportion equation
34,359,909.52 : 47,416,249.97 = 18,889,858.84 : x - Step 2: Convert to fraction form
34,359,909.52/47,416,249.97 = 18,889,858.84/x - Step 3: Cross multiply
34,359,909.52x = 47,416,249.97 × 18,889,858.84 - Step 4: Simplify right side
34,359,909.52x = 895,686,268,418,373 - Step 5: Solve for x
x = 895,686,268,418,373/34,359,909.52 - Step 6: Final answer
x = 26,067,771.45
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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.