Finding the Fourth Proportional to 12,921,414.36, 19,382,497.44 and 4,832,846.88
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Solution
The fourth proportional to 12,921,414.36, 19,382,497.44 and 4,832,846.88 is: 7,249,410.91
Step by Step Solution
- Step 1: Write the proportion equation
12,921,414.36 : 19,382,497.44 = 4,832,846.88 : x - Step 2: Convert to fraction form
12,921,414.36/19,382,497.44 = 4,832,846.88/x - Step 3: Cross multiply
12,921,414.36x = 19,382,497.44 × 4,832,846.88 - Step 4: Simplify right side
12,921,414.36x = 93,672,642,279,511.98 - Step 5: Solve for x
x = 93,672,642,279,511.98/12,921,414.36 - Step 6: Final answer
x = 7,249,410.91
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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.