Finding the Fourth Proportional to 8,644,863.08, 12,955,703.58 and 6,728,088.84
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Solution
The fourth proportional to 8,644,863.08, 12,955,703.58 and 6,728,088.84 is: 10,083,112.23
Step by Step Solution
- Step 1: Write the proportion equation
8,644,863.08 : 12,955,703.58 = 6,728,088.84 : x - Step 2: Convert to fraction form
8,644,863.08/12,955,703.58 = 6,728,088.84/x - Step 3: Cross multiply
8,644,863.08x = 12,955,703.58 × 6,728,088.84 - Step 4: Simplify right side
8,644,863.08x = 87,167,124,670,946.05 - Step 5: Solve for x
x = 87,167,124,670,946.05/8,644,863.08 - Step 6: Final answer
x = 10,083,112.23
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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.