Finding the Fourth Proportional to 21,732,028.84, 29,977,711.62 and 13,569,095.08
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Solution
The fourth proportional to 21,732,028.84, 29,977,711.62 and 13,569,095.08 is: 18,717,553.81
Step by Step Solution
- Step 1: Write the proportion equation
21,732,028.84 : 29,977,711.62 = 13,569,095.08 : x - Step 2: Convert to fraction form
21,732,028.84/29,977,711.62 = 13,569,095.08/x - Step 3: Cross multiply
21,732,028.84x = 29,977,711.62 × 13,569,095.08 - Step 4: Simplify right side
21,732,028.84x = 406,770,419,252,600.88 - Step 5: Solve for x
x = 406,770,419,252,600.88/21,732,028.84 - Step 6: Final answer
x = 18,717,553.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.