Finding the Fourth Proportional to 57,209,380.65, 85,816,714.82 and 18,874,244.97
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Solution
The fourth proportional to 57,209,380.65, 85,816,714.82 and 18,874,244.97 is: 28,312,239.70
Step by Step Solution
- Step 1: Write the proportion equation
57,209,380.65 : 85,816,714.82 = 18,874,244.97 : x - Step 2: Convert to fraction form
57,209,380.65/85,816,714.82 = 18,874,244.97/x - Step 3: Cross multiply
57,209,380.65x = 85,816,714.82 × 18,874,244.97 - Step 4: Simplify right side
57,209,380.65x = 1,619,725,697,938,938 - Step 5: Solve for x
x = 1,619,725,697,938,938/57,209,380.65 - Step 6: Final answer
x = 28,312,239.70
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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.