Finding the Fourth Proportional to 34,205,425.86, 47,204,101.05 and 18,734,514.06
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Solution
The fourth proportional to 34,205,425.86, 47,204,101.05 and 18,734,514.06 is: 25,853,965.35
Step by Step Solution
- Step 1: Write the proportion equation
34,205,425.86 : 47,204,101.05 = 18,734,514.06 : x - Step 2: Convert to fraction form
34,205,425.86/47,204,101.05 = 18,734,514.06/x - Step 3: Cross multiply
34,205,425.86x = 47,204,101.05 × 18,734,514.06 - Step 4: Simplify right side
34,205,425.86x = 884,345,894,810,885.62 - Step 5: Solve for x
x = 884,345,894,810,885.62/34,205,425.86 - Step 6: Final answer
x = 25,853,965.35
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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.