Finding the Fourth Proportional to 23,107,049.20, 31,888,724.16 and 12,793,772.08
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Solution
The fourth proportional to 23,107,049.20, 31,888,724.16 and 12,793,772.08 is: 17,655,957.08
Step by Step Solution
- Step 1: Write the proportion equation
23,107,049.20 : 31,888,724.16 = 12,793,772.08 : x - Step 2: Convert to fraction form
23,107,049.20/31,888,724.16 = 12,793,772.08/x - Step 3: Cross multiply
23,107,049.20x = 31,888,724.16 × 12,793,772.08 - Step 4: Simplify right side
23,107,049.20x = 407,977,068,825,029.44 - Step 5: Solve for x
x = 407,977,068,825,029.44/23,107,049.20 - Step 6: Final answer
x = 17,655,957.08
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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.