Finding the Fourth Proportional to 21,902,286.73, 32,830,262.54 and 8,249,525.99
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Solution
The fourth proportional to 21,902,286.73, 32,830,262.54 and 8,249,525.99 is: 12,365,562.89
Step by Step Solution
- Step 1: Write the proportion equation
21,902,286.73 : 32,830,262.54 = 8,249,525.99 : x - Step 2: Convert to fraction form
21,902,286.73/32,830,262.54 = 8,249,525.99/x - Step 3: Cross multiply
21,902,286.73x = 32,830,262.54 × 8,249,525.99 - Step 4: Simplify right side
21,902,286.73x = 270,834,103,876,854.47 - Step 5: Solve for x
x = 270,834,103,876,854.47/21,902,286.73 - Step 6: Final answer
x = 12,365,562.89
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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.