Finding the Fourth Proportional to 21,498,059.63, 29,666,879.42 and 11,708,675.84
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Solution
The fourth proportional to 21,498,059.63, 29,666,879.42 and 11,708,675.84 is: 16,157,731.45
Step by Step Solution
- Step 1: Write the proportion equation
21,498,059.63 : 29,666,879.42 = 11,708,675.84 : x - Step 2: Convert to fraction form
21,498,059.63/29,666,879.42 = 11,708,675.84/x - Step 3: Cross multiply
21,498,059.63x = 29,666,879.42 × 11,708,675.84 - Step 4: Simplify right side
21,498,059.63x = 347,359,874,106,269.44 - Step 5: Solve for x
x = 347,359,874,106,269.44/21,498,059.63 - Step 6: Final answer
x = 16,157,731.45
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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.