Finding the Fourth Proportional to 21,560,042.86, 32,324,120.99 and 13,038,484.84
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Solution
The fourth proportional to 21,560,042.86, 32,324,120.99 and 13,038,484.84 is: 19,548,085.51
Step by Step Solution
- Step 1: Write the proportion equation
21,560,042.86 : 32,324,120.99 = 13,038,484.84 : x - Step 2: Convert to fraction form
21,560,042.86/32,324,120.99 = 13,038,484.84/x - Step 3: Cross multiply
21,560,042.86x = 32,324,120.99 × 13,038,484.84 - Step 4: Simplify right side
21,560,042.86x = 421,457,561,348,438.06 - Step 5: Solve for x
x = 421,457,561,348,438.06/21,560,042.86 - Step 6: Final answer
x = 19,548,085.51
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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.