Finding the Fourth Proportional to 10,206,329.19, 15,304,178.15 and 4,813,531.65
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Solution
The fourth proportional to 10,206,329.19, 15,304,178.15 and 4,813,531.65 is: 7,217,790.49
Step by Step Solution
- Step 1: Write the proportion equation
10,206,329.19 : 15,304,178.15 = 4,813,531.65 : x - Step 2: Convert to fraction form
10,206,329.19/15,304,178.15 = 4,813,531.65/x - Step 3: Cross multiply
10,206,329.19x = 15,304,178.15 × 4,813,531.65 - Step 4: Simplify right side
10,206,329.19x = 73,667,145,801,674.89 - Step 5: Solve for x
x = 73,667,145,801,674.89/10,206,329.19 - Step 6: Final answer
x = 7,217,790.49
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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.