Finding the Fourth Proportional to 17,528,470.20, 26,292,705.30 and 11,755,567.80
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Solution
The fourth proportional to 17,528,470.20, 26,292,705.30 and 11,755,567.80 is: 17,633,351.70
Step by Step Solution
- Step 1: Write the proportion equation
17,528,470.20 : 26,292,705.30 = 11,755,567.80 : x - Step 2: Convert to fraction form
17,528,470.20/26,292,705.30 = 11,755,567.80/x - Step 3: Cross multiply
17,528,470.20x = 26,292,705.30 × 11,755,567.80 - Step 4: Simplify right side
17,528,470.20x = 309,085,679,799,569.38 - Step 5: Solve for x
x = 309,085,679,799,569.38/17,528,470.20 - Step 6: Final answer
x = 17,633,351.70
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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.