Finding the Fourth Proportional to 21,544,539.57, 29,696,732.93 and 14,572,674.63
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Solution
The fourth proportional to 21,544,539.57, 29,696,732.93 and 14,572,674.63 is: 20,086,798.57
Step by Step Solution
- Step 1: Write the proportion equation
21,544,539.57 : 29,696,732.93 = 14,572,674.63 : x - Step 2: Convert to fraction form
21,544,539.57/29,696,732.93 = 14,572,674.63/x - Step 3: Cross multiply
21,544,539.57x = 29,696,732.93 × 14,572,674.63 - Step 4: Simplify right side
21,544,539.57x = 432,760,826,599,328.31 - Step 5: Solve for x
x = 432,760,826,599,328.31/21,544,539.57 - Step 6: Final answer
x = 20,086,798.57
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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.