Finding the Fourth Proportional to 12,725,882.05, 19,088,564.74 and 3,141,343.62
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Solution
The fourth proportional to 12,725,882.05, 19,088,564.74 and 3,141,343.62 is: 4,711,951.65
Step by Step Solution
- Step 1: Write the proportion equation
12,725,882.05 : 19,088,564.74 = 3,141,343.62 : x - Step 2: Convert to fraction form
12,725,882.05/19,088,564.74 = 3,141,343.62/x - Step 3: Cross multiply
12,725,882.05x = 19,088,564.74 × 3,141,343.62 - Step 4: Simplify right side
12,725,882.05x = 59,963,740,949,806.42 - Step 5: Solve for x
x = 59,963,740,949,806.42/12,725,882.05 - Step 6: Final answer
x = 4,711,951.65
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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.