Finding the Fourth Proportional to 13,892,124.53, 19,165,025.19 and 8,382,426.36
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Solution
The fourth proportional to 13,892,124.53, 19,165,025.19 and 8,382,426.36 is: 11,564,063.66
Step by Step Solution
- Step 1: Write the proportion equation
13,892,124.53 : 19,165,025.19 = 8,382,426.36 : x - Step 2: Convert to fraction form
13,892,124.53/19,165,025.19 = 8,382,426.36/x - Step 3: Cross multiply
13,892,124.53x = 19,165,025.19 × 8,382,426.36 - Step 4: Simplify right side
13,892,124.53x = 160,649,412,342,720.03 - Step 5: Solve for x
x = 160,649,412,342,720.03/13,892,124.53 - Step 6: Final answer
x = 11,564,063.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.