Finding the Fourth Proportional to 29,892,403.70, 44,838,605.55 and 19,121,866.10
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Solution
The fourth proportional to 29,892,403.70, 44,838,605.55 and 19,121,866.10 is: 28,682,799.15
Step by Step Solution
- Step 1: Write the proportion equation
29,892,403.70 : 44,838,605.55 = 19,121,866.10 : x - Step 2: Convert to fraction form
29,892,403.70/44,838,605.55 = 19,121,866.10/x - Step 3: Cross multiply
29,892,403.70x = 44,838,605.55 × 19,121,866.10 - Step 4: Simplify right side
29,892,403.70x = 857,397,811,437,816.88 - Step 5: Solve for x
x = 857,397,811,437,816.88/29,892,403.70 - Step 6: Final answer
x = 28,682,799.15
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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.