Finding the Fourth Proportional to 12,251,719.80, 18,377,579.70 and 5,060,863.80
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Solution
The fourth proportional to 12,251,719.80, 18,377,579.70 and 5,060,863.80 is: 7,591,295.70
Step by Step Solution
- Step 1: Write the proportion equation
12,251,719.80 : 18,377,579.70 = 5,060,863.80 : x - Step 2: Convert to fraction form
12,251,719.80/18,377,579.70 = 5,060,863.80/x - Step 3: Cross multiply
12,251,719.80x = 18,377,579.70 × 5,060,863.80 - Step 4: Simplify right side
12,251,719.80x = 93,006,427,835,344.86 - Step 5: Solve for x
x = 93,006,427,835,344.86/12,251,719.80 - Step 6: Final answer
x = 7,591,295.70
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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.