Finding the Fourth Proportional to 17,498,208.20, 26,247,312.30 and 13,152,201.80
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Solution
The fourth proportional to 17,498,208.20, 26,247,312.30 and 13,152,201.80 is: 19,728,302.70
Step by Step Solution
- Step 1: Write the proportion equation
17,498,208.20 : 26,247,312.30 = 13,152,201.80 : x - Step 2: Convert to fraction form
17,498,208.20/26,247,312.30 = 13,152,201.80/x - Step 3: Cross multiply
17,498,208.20x = 26,247,312.30 × 13,152,201.80 - Step 4: Simplify right side
17,498,208.20x = 345,209,948,077,222.19 - Step 5: Solve for x
x = 345,209,948,077,222.19/17,498,208.20 - Step 6: Final answer
x = 19,728,302.70
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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.