Finding the Fourth Proportional to 11,480,445.20, 17,220,691.49 and 10,778,943.08
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Solution
The fourth proportional to 11,480,445.20, 17,220,691.49 and 10,778,943.08 is: 16,168,436.86
Step by Step Solution
- Step 1: Write the proportion equation
11,480,445.20 : 17,220,691.49 = 10,778,943.08 : x - Step 2: Convert to fraction form
11,480,445.20/17,220,691.49 = 10,778,943.08/x - Step 3: Cross multiply
11,480,445.20x = 17,220,691.49 × 10,778,943.08 - Step 4: Simplify right side
11,480,445.20x = 185,620,853,228,952.19 - Step 5: Solve for x
x = 185,620,853,228,952.19/11,480,445.20 - Step 6: Final answer
x = 16,168,436.86
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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.