Finding the Fourth Proportional to 25,902,655.20, 38,843,485.20 and 8,854,552.80
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Solution
The fourth proportional to 25,902,655.20, 38,843,485.20 and 8,854,552.80 is: 13,278,240.70
Step by Step Solution
- Step 1: Write the proportion equation
25,902,655.20 : 38,843,485.20 = 8,854,552.80 : x - Step 2: Convert to fraction form
25,902,655.20/38,843,485.20 = 8,854,552.80/x - Step 3: Cross multiply
25,902,655.20x = 38,843,485.20 × 8,854,552.80 - Step 4: Simplify right side
25,902,655.20x = 343,941,690,639,418.62 - Step 5: Solve for x
x = 343,941,690,639,418.62/25,902,655.20 - Step 6: Final answer
x = 13,278,240.70
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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.