Finding the Fourth Proportional to 7,641,624.58, 10,545,528.99 and 4,378,373.80
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Solution
The fourth proportional to 7,641,624.58, 10,545,528.99 and 4,378,373.80 is: 6,042,205.73
Step by Step Solution
- Step 1: Write the proportion equation
7,641,624.58 : 10,545,528.99 = 4,378,373.80 : x - Step 2: Convert to fraction form
7,641,624.58/10,545,528.99 = 4,378,373.80/x - Step 3: Cross multiply
7,641,624.58x = 10,545,528.99 × 4,378,373.80 - Step 4: Simplify right side
7,641,624.58x = 46,172,267,836,956.46 - Step 5: Solve for x
x = 46,172,267,836,956.46/7,641,624.58 - Step 6: Final answer
x = 6,042,205.73
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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.