Finding the Fourth Proportional to 12,192,208.58, 18,288,307.44 and 3,672,545.06
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Solution
The fourth proportional to 12,192,208.58, 18,288,307.44 and 3,672,545.06 is: 5,508,815.95
Step by Step Solution
- Step 1: Write the proportion equation
12,192,208.58 : 18,288,307.44 = 3,672,545.06 : x - Step 2: Convert to fraction form
12,192,208.58/18,288,307.44 = 3,672,545.06/x - Step 3: Cross multiply
12,192,208.58x = 18,288,307.44 × 3,672,545.06 - Step 4: Simplify right side
12,192,208.58x = 67,164,633,144,533.25 - Step 5: Solve for x
x = 67,164,633,144,533.25/12,192,208.58 - Step 6: Final answer
x = 5,508,815.95
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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.