Finding the Fourth Proportional to 8,128,451.63, 12,192,718.08 and 2,063,185.17
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Solution
The fourth proportional to 8,128,451.63, 12,192,718.08 and 2,063,185.17 is: 3,094,788.07
Step by Step Solution
- Step 1: Write the proportion equation
8,128,451.63 : 12,192,718.08 = 2,063,185.17 : x - Step 2: Convert to fraction form
8,128,451.63/12,192,718.08 = 2,063,185.17/x - Step 3: Cross multiply
8,128,451.63x = 12,192,718.08 × 2,063,185.17 - Step 4: Simplify right side
8,128,451.63x = 25,155,835,124,646.87 - Step 5: Solve for x
x = 25,155,835,124,646.87/8,128,451.63 - Step 6: Final answer
x = 3,094,788.07
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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.