Finding the Fourth Proportional to 54,383,403.89, 81,545,289.32 and 21,560,721.99
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Solution
The fourth proportional to 54,383,403.89, 81,545,289.32 and 21,560,721.99 is: 32,329,262.00
Step by Step Solution
- Step 1: Write the proportion equation
54,383,403.89 : 81,545,289.32 = 21,560,721.99 : x - Step 2: Convert to fraction form
54,383,403.89/81,545,289.32 = 21,560,721.99/x - Step 3: Cross multiply
54,383,403.89x = 81,545,289.32 × 21,560,721.99 - Step 4: Simplify right side
54,383,403.89x = 1,758,175,312,514,832.25 - Step 5: Solve for x
x = 1,758,175,312,514,832.25/54,383,403.89 - Step 6: Final answer
x = 32,329,262.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.