Finding the Fourth Proportional to 7,941,639.10, 11,882,397.66 and 4,704,914.47
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Solution
The fourth proportional to 7,941,639.10, 11,882,397.66 and 4,704,914.47 is: 7,039,562.49
Step by Step Solution
- Step 1: Write the proportion equation
7,941,639.10 : 11,882,397.66 = 4,704,914.47 : x - Step 2: Convert to fraction form
7,941,639.10/11,882,397.66 = 4,704,914.47/x - Step 3: Cross multiply
7,941,639.10x = 11,882,397.66 × 4,704,914.47 - Step 4: Simplify right side
7,941,639.10x = 55,905,664,688,828.14 - Step 5: Solve for x
x = 55,905,664,688,828.14/7,941,639.10 - Step 6: Final answer
x = 7,039,562.49
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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.