Finding the Fourth Proportional to 28,352,013.80, 42,528,020.70 and 24,992,781.80
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Solution
The fourth proportional to 28,352,013.80, 42,528,020.70 and 24,992,781.80 is: 37,489,172.70
Step by Step Solution
- Step 1: Write the proportion equation
28,352,013.80 : 42,528,020.70 = 24,992,781.80 : x - Step 2: Convert to fraction form
28,352,013.80/42,528,020.70 = 24,992,781.80/x - Step 3: Cross multiply
28,352,013.80x = 42,528,020.70 × 24,992,781.80 - Step 4: Simplify right side
28,352,013.80x = 1,062,893,541,740,983.38 - Step 5: Solve for x
x = 1,062,893,541,740,983.38/28,352,013.80 - Step 6: Final answer
x = 37,489,172.70
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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.