Finding the Fourth Proportional to 13,163,416.20, 19,737,251.10 and 6,786,124.20
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Solution
The fourth proportional to 13,163,416.20, 19,737,251.10 and 6,786,124.20 is: 10,175,127.44
Step by Step Solution
- Step 1: Write the proportion equation
13,163,416.20 : 19,737,251.10 = 6,786,124.20 : x - Step 2: Convert to fraction form
13,163,416.20/19,737,251.10 = 6,786,124.20/x - Step 3: Cross multiply
13,163,416.20x = 19,737,251.10 × 6,786,124.20 - Step 4: Simplify right side
13,163,416.20x = 133,939,437,331,186.64 - Step 5: Solve for x
x = 133,939,437,331,186.64/13,163,416.20 - Step 6: Final answer
x = 10,175,127.44
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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.