Finding the Fourth Proportional to 13,236,434.80, 19,858,108.20 and 4,261,202.80
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Solution
The fourth proportional to 13,236,434.80, 19,858,108.20 and 4,261,202.80 is: 6,392,916.79
Step by Step Solution
- Step 1: Write the proportion equation
13,236,434.80 : 19,858,108.20 = 4,261,202.80 : x - Step 2: Convert to fraction form
13,236,434.80/19,858,108.20 = 4,261,202.80/x - Step 3: Cross multiply
13,236,434.80x = 19,858,108.20 × 4,261,202.80 - Step 4: Simplify right side
13,236,434.80x = 84,619,426,264,542.95 - Step 5: Solve for x
x = 84,619,426,264,542.95/13,236,434.80 - Step 6: Final answer
x = 6,392,916.79
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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.