Finding the Fourth Proportional to 21,879,245.26, 30,197,536.05 and 14,423,825.98
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Solution
The fourth proportional to 21,879,245.26, 30,197,536.05 and 14,423,825.98 is: 19,907,633.92
Step by Step Solution
- Step 1: Write the proportion equation
21,879,245.26 : 30,197,536.05 = 14,423,825.98 : x - Step 2: Convert to fraction form
21,879,245.26/30,197,536.05 = 14,423,825.98/x - Step 3: Cross multiply
21,879,245.26x = 30,197,536.05 × 14,423,825.98 - Step 4: Simplify right side
21,879,245.26x = 435,564,005,009,976.62 - Step 5: Solve for x
x = 435,564,005,009,976.62/21,879,245.26 - Step 6: Final answer
x = 19,907,633.92
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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.